--- a/dom/base/gen-usecounters.py
+++ b/dom/base/gen-usecounters.py
@@ -56,22 +56,20 @@ def generate_list(f, counters):
     print_optional_macro_undeclare('USE_COUNTER_CSS_PROPERTY')
     print_optional_macro_undeclare('USE_COUNTER_CUSTOM')
 
 def generate_property_map(f, counters):
     print(AUTOGENERATED_WARNING_COMMENT, file=f)
     print('''
 enum {
   #define CSS_PROP_PUBLIC_OR_PRIVATE(publicname_, privatename_) privatename_
-  #define CSS_PROP_LIST_INCLUDE_LOGICAL
   #define CSS_PROP(name_, id_, method_, ...) \\
     USE_COUNTER_FOR_CSS_PROPERTY_##method_ = eUseCounter_UNKNOWN,
   #include "nsCSSPropList.h"
   #undef CSS_PROP
-  #undef CSS_PROP_LIST_INCLUDE_LOGICAL
   #undef CSS_PROP_PUBLIC_OR_PRIVATE
 };
 ''', file=f)
     for counter in counters:
         if counter['type'] == 'property':
             prop = counter['property_name']
             print('#define USE_COUNTER_FOR_CSS_PROPERTY_%s eUseCounter_property_%s' % (prop, prop), file=f)
 

--- a/layout/style/GenerateCSSPropsGenerated.py
+++ b/layout/style/GenerateCSSPropsGenerated.py
@@ -13,22 +13,22 @@ def get_properties(preprocessorHeader):
     cpp = list(buildconfig.substs['CPP'])
     cpp += shellutil.split(buildconfig.substs['ACDEFINES'])
     cpp.append(preprocessorHeader)
     preprocessed = subprocess.check_output(cpp)
     properties = [{"name":p[0], "prop":p[1], "id":p[2],
                    "flags":p[3], "pref":p[4], "proptype":p[5]}
                   for (i, p) in enumerate(eval(preprocessed))]
 
-    # Sort the list so that longhand and logical properties are intermingled
-    # first, shorthand properties follow, then aliases appear last.  This matches
-    # the order of the nsCSSPropertyID enum.
+    # Sort the list so that longhand properties are intermingled first,
+    # shorthand properties follow, then aliases appear last.
+    # This matches the order of the nsCSSPropertyID enum.
 
     def property_compare(x, y):
-        property_order = {"longhand": 0, "logical": 0, "shorthand": 1, "alias": 2}
+        property_order = {"longhand": 0, "shorthand": 1, "alias": 2}
         return property_order[x["proptype"]] - property_order[y["proptype"]]
 
     properties = sorted(properties, cmp=property_compare)
 
     for i, p in enumerate(properties):
         p["index"] = i
 
     # Record each property's IDL name.

--- a/layout/style/PythonCSSProps.h
+++ b/layout/style/PythonCSSProps.h
@@ -15,24 +15,21 @@
 #define PROP_STRINGIFY(X) PROP_STRINGIFY_INTERNAL(X)
 
 #define DO_PROP(name, method, id, flags, pref, proptype) \
   [ #name, #method, #id, PROP_STRINGIFY(flags), pref, proptype ],
 #define CSS_PROP(name, id, method, flags, pref, ...) \
   DO_PROP(name, method, id, flags, pref, "longhand")
 #define CSS_PROP_SHORTHAND(name, id, method, flags, pref) \
   DO_PROP(name, method, id, flags, pref, "shorthand")
-#define CSS_PROP_LOGICAL(name, id, method, flags, pref, ...) \
-  DO_PROP(name, method, id, flags, pref, "logical")
 #define CSS_PROP_PUBLIC_OR_PRIVATE(publicname_, privatename_) publicname_
 
 #include "nsCSSPropList.h"
 
 #undef CSS_PROP_PUBLIC_OR_PRIVATE
-#undef CSS_PROP_LOGICAL
 #undef CSS_PROP_SHORTHAND
 #undef CSS_PROP
 
 #define CSS_PROP_ALIAS(name, aliasid_, id, method, pref) \
   DO_PROP(name, method, id, 0, pref, "alias")
 
 #include "nsCSSPropAliasList.h"
 

--- a/layout/style/ServoPropPrefList.h
+++ b/layout/style/ServoPropPrefList.h
@@ -8,24 +8,20 @@
 #define mozilla_ServoPropPrefList_h
 
 namespace mozilla {
 
 #define CSS_PROP(name_, id_, method_, flags_, pref_, ...) \
     const bool SERVO_PREF_ENABLED_##id_ = !(sizeof(pref_) == 1);
 #define CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_)  \
     const bool SERVO_PREF_ENABLED_##id_ = !(sizeof(pref_) == 1);
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 #undef CSS_PROP_SHORTHAND
 
 #define CSS_PROP_ALIAS(aliasname_, aliasid_, id_, method_, pref_)  \
     const bool SERVO_PREF_ENABLED_##aliasid_ = !(sizeof(pref_) == 1);
-#define CSS_PROP_ALIAS_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropAliasList.h"
-#undef CSS_PROP_ALIAS_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP_ALIAS
 
 }
 
 #endif // mozilla_ServoPropPrefList_h

--- a/layout/style/nsCSSPropList.h
+++ b/layout/style/nsCSSPropList.h
@@ -13,17 +13,17 @@
 
   This file contains the list of all parsed CSS properties.  It is
   designed to be used as inline input through the magic of C
   preprocessing.  All entries must be enclosed in the appropriate
   CSS_PROP_* macro which will have cruel and unusual things done to it.
   It is recommended (but not strictly necessary) to keep all entries in
   alphabetical order.
 
-  The arguments to CSS_PROP, CSS_PROP_LOGICAL and CSS_PROP_* are:
+  The arguments to CSS_PROP are:
 
   -. 'name' entries represent a CSS property name and *must* use only
   lowercase characters.
 
   -. 'id' should be the same as 'name' except that all hyphens ('-')
   in 'name' are converted to underscores ('_') in 'id'. For properties
   on a standards track, any '-moz-' prefix is removed in 'id'. This
   lets us do nice things with the macros without having to copy/convert
@@ -47,29 +47,21 @@
   or if the boolean property whose name is 'pref' is set to true.
 
   -. 'parsevariant', to be passed to ParseVariant in the parser.
 
   -. 'kwtable', which is either nullptr or the name of the appropriate
   keyword table member of class nsCSSProps, for use in
   nsCSSProps::LookupPropertyValue.
 
-  -. 'stylestruct_' [used only for CSS_PROP and CSS_PROP_LOGICAL, not
-  CSS_PROP_*] gives the name of the style struct.  Can be used to make
-  nsStyle##stylestruct_ and eStyleStruct_##stylestruct_
-
   -. 'animtype_' gives the animation type (see nsStyleAnimType) of this
   property.
 
   CSS_PROP_SHORTHAND only takes 1-5.
 
-  CSS_PROP_LOGICAL should be used instead of CSS_PROP_struct when
-  defining logical properties.  Logical shorthand properties should
-  still be defined with CSS_PROP_SHORTHAND.
-
  ******/
 
 
 /*************************************************************************/
 
 
 // All includers must explicitly define CSS_PROP_SHORTHAND if they
 // want it.
@@ -82,36 +74,16 @@
   CSS_PROP_PUBLIC_OR_PRIVATE(Moz ## name_, name_)
 
 // Callers may define CSS_PROP_LIST_EXCLUDE_INTERNAL if they want to
 // exclude internal properties that are not represented in the DOM (only
 // the DOM style code defines this).  All properties defined in an
 // #ifndef CSS_PROP_LIST_EXCLUDE_INTERNAL section must have the
 // CSS_PROPERTY_INTERNAL flag set.
 
-// When capturing all properties by defining CSS_PROP, callers must also
-// define one of the following three macros:
-//
-//   CSS_PROP_LIST_EXCLUDE_LOGICAL
-//     Does not include logical properties (defined with CSS_PROP_LOGICAL,
-//     such as margin-inline-start) when capturing properties to CSS_PROP.
-//
-//   CSS_PROP_LIST_INCLUDE_LOGICAL
-//     Does include logical properties when capturing properties to
-//     CSS_PROP.
-//
-//   CSS_PROP_LOGICAL
-//     Captures logical properties separately to CSS_PROP_LOGICAL.
-//
-// (CSS_PROP_LIST_EXCLUDE_LOGICAL is used for example to ensure
-// gPropertyCountInStruct and gPropertyIndexInStruct do not allocate any
-// storage to logical properties, since the result of the cascade, stored
-// in an nsRuleData, does not need to store both logical and physical
-// property values.)
-
 // Callers may also define CSS_PROP_LIST_ONLY_COMPONENTS_OF_ALL_SHORTHAND
 // to exclude properties that are not considered to be components of the 'all'
 // shorthand property.  Currently this excludes 'direction' and 'unicode-bidi',
 // as required by the CSS Cascading and Inheritance specification, and any
 // internal properties that cannot be changed by using CSS syntax.  For example,
 // the internal '-moz-system-font' property is not excluded, as it is set by the
 // 'font' shorthand, while '-x-lang' is excluded as there is no way to set this
 // internal property from a style sheet.
@@ -120,53 +92,24 @@
 // macro.
 #ifdef CSS_PROP
 
 #define USED_CSS_PROP
 // We still need this extra level so that CSS_PROP_DOMPROP_PREFIXED has
 // a chance to be expanded.
 #define CSS_PROP_(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, animtype_) CSS_PROP(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, animtype_)
 
-// And similarly for logical properties.  An includer can define
-// CSS_PROP_LOGICAL to capture all logical properties, but otherwise they
-// are included in CSS_PROP (as long as CSS_PROP_LIST_INCLUDE_LOGICAL is
-// defined).
-#if defined(CSS_PROP_LOGICAL) && defined(CSS_PROP_LIST_EXCLUDE_LOGICAL) || defined(CSS_PROP_LOGICAL) && defined(CSS_PROP_LIST_INCLUDE_LOGICAL) || defined(CSS_PROP_LIST_EXCLUDE_LOGICAL) && defined(CSS_PROP_LIST_INCLUDE_LOGICAL)
-#error Do not define more than one of CSS_PROP_LOGICAL, CSS_PROP_LIST_EXCLUDE_LOGICAL and CSS_PROP_LIST_INCLUDE_LOGICAL when capturing properties using CSS_PROP.
-#endif
-
-#ifndef CSS_PROP_LOGICAL
-#ifdef CSS_PROP_LIST_INCLUDE_LOGICAL
-#define CSS_PROP_LOGICAL(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, animtype_) CSS_PROP(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, animtype_)
-#else
-#ifndef CSS_PROP_LIST_EXCLUDE_LOGICAL
-#error Must define exactly one of CSS_PROP_LOGICAL, CSS_PROP_LIST_EXCLUDE_LOGICAL and CSS_PROP_LIST_INCLUDE_LOGICAL when capturing properties using CSS_PROP.
-#endif
-#define CSS_PROP_LOGICAL(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, animtype_) /* nothing */
-#endif
-#define DEFINED_CSS_PROP_LOGICAL
-#endif
-
 #else /* !defined(CSS_PROP) */
 
 // An includer who does not define CSS_PROP can define any or all of the
 // per-struct macros that are equivalent to it, and the rest will be
 // ignored.
 
-#if defined(CSS_PROP_LIST_EXCLUDE_LOGICAL) || defined(CSS_PROP_LIST_INCLUDE_LOGICAL)
-#error Do not define CSS_PROP_LIST_EXCLUDE_LOGICAL or CSS_PROP_LIST_INCLUDE_LOGICAL when not capturing properties using CSS_PROP.
-#endif
-
 #define CSS_PROP_(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, animtype_) /* nothing */
 
-#ifndef CSS_PROP_LOGICAL
-#define CSS_PROP_LOGICAL(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, animtype_) /* nothing */
-#define DEFINED_CSS_PROP_LOGICAL
-#endif
-
 #endif /* !defined(CSS_PROP) */
 
 /*************************************************************************/
 
 // For notes XXX bug 3935 below, the names being parsed do not correspond
 // to the constants used internally.  It would be nice to bring the
 // constants into line sometime.
 
@@ -438,17 +381,17 @@ CSS_PROP_(
     -moz-binding,
     _moz_binding,
     CSS_PROP_DOMPROP_PREFIXED(Binding),
     0,
     "",
     VARIANT_HUO,
     nullptr,
     eStyleAnimType_None) // XXX bug 3935
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     block-size,
     block_size,
     BlockSize,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -459,68 +402,68 @@ CSS_PROP_SHORTHAND(
     CSS_PROPERTY_PARSE_FUNCTION,
     "")
 CSS_PROP_SHORTHAND(
     border-block-end,
     border_block_end,
     BorderBlockEnd,
     CSS_PROPERTY_PARSE_FUNCTION,
     "")
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-block-end-color,
     border_block_end_color,
     BorderBlockEndColor,
     0,
     "",
     VARIANT_HC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-block-end-style,
     border_block_end_style,
     BorderBlockEndStyle,
     0,
     "",
     VARIANT_HK,
     kBorderStyleKTable,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-block-end-width,
     border_block_end_width,
     BorderBlockEndWidth,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HKL | VARIANT_CALC,
     kBorderWidthKTable,
     eStyleAnimType_None)
 CSS_PROP_SHORTHAND(
     border-block-start,
     border_block_start,
     BorderBlockStart,
     CSS_PROPERTY_PARSE_FUNCTION,
     "")
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-block-start-color,
     border_block_start_color,
     BorderBlockStartColor,
     0,
     "",
     VARIANT_HC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-block-start-style,
     border_block_start_style,
     BorderBlockStartStyle,
     0,
     "",
     VARIANT_HK,
     kBorderStyleKTable,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-block-start-width,
     border_block_start_width,
     BorderBlockStartWidth,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HKL | VARIANT_CALC,
     kBorderWidthKTable,
     eStyleAnimType_None)
@@ -642,68 +585,68 @@ CSS_PROP_(
     nullptr,
     eStyleAnimType_Discrete)
 CSS_PROP_SHORTHAND(
     border-inline-end,
     border_inline_end,
     BorderInlineEnd,
     CSS_PROPERTY_PARSE_FUNCTION,
     "")
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-inline-end-color,
     border_inline_end_color,
     BorderInlineEndColor,
     0,
     "",
     VARIANT_HC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-inline-end-style,
     border_inline_end_style,
     BorderInlineEndStyle,
     0,
     "",
     VARIANT_HK,
     kBorderStyleKTable,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-inline-end-width,
     border_inline_end_width,
     BorderInlineEndWidth,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HKL | VARIANT_CALC,
     kBorderWidthKTable,
     eStyleAnimType_None)
 CSS_PROP_SHORTHAND(
     border-inline-start,
     border_inline_start,
     BorderInlineStart,
     CSS_PROPERTY_PARSE_FUNCTION,
     "")
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-inline-start-color,
     border_inline_start_color,
     BorderInlineStartColor,
     0,
     "",
     VARIANT_HC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-inline-start-style,
     border_inline_start_style,
     BorderInlineStartStyle,
     0,
     "",
     VARIANT_HK,
     kBorderStyleKTable,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     border-inline-start-width,
     border_inline_start_width,
     BorderInlineStartWidth,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HKL | VARIANT_CALC,
     kBorderWidthKTable,
     eStyleAnimType_None)
@@ -1766,17 +1709,17 @@ CSS_PROP_(
     ime-mode,
     ime_mode,
     ImeMode,
     0,
     "",
     VARIANT_HK,
     kIMEModeKTable,
     eStyleAnimType_Discrete)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     inline-size,
     inline_size,
     InlineSize,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHKLP | VARIANT_CALC,
     kWidthKTable,
     eStyleAnimType_None)
@@ -1901,26 +1844,26 @@ CSS_PROP_(
     nullptr,
     eStyleAnimType_Discrete)
 CSS_PROP_SHORTHAND(
     margin,
     margin,
     Margin,
     CSS_PROPERTY_PARSE_FUNCTION,
     "")
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     margin-block-end,
     margin_block_end,
     MarginBlockEnd,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     margin-block-start,
     margin_block_start,
     MarginBlockStart,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -1928,26 +1871,26 @@ CSS_PROP_(
     margin-bottom,
     margin_bottom,
     MarginBottom,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_Sides_Bottom)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     margin-inline-end,
     margin_inline_end,
     MarginInlineEnd,
     0,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     margin-inline-start,
     margin_inline_start,
     MarginInlineStart,
     0,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -2136,17 +2079,17 @@ CSS_PROP_(
     CSS_PROPERTY_INTERNAL |
         CSS_PROPERTY_PARSE_INACCESSIBLE,
     "",
     VARIANT_HK,
     kMathVariantKTable,
     eStyleAnimType_None)
 #endif // CSS_PROP_LIST_EXCLUDE_INTERNAL
 #endif // CSS_PROP_LIST_ONLY_COMPONENTS_OF_ALL_SHORTHAND
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     max-block-size,
     max_block_size,
     MaxBlockSize,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HLPO | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -2154,17 +2097,17 @@ CSS_PROP_(
     max-height,
     max_height,
     MaxHeight,
     0,
     "",
     VARIANT_HKLPO | VARIANT_CALC,
     kWidthKTable,
     eStyleAnimType_Coord)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     max-inline-size,
     max_inline_size,
     MaxInlineSize,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HKLPO | VARIANT_CALC,
     kWidthKTable,
     eStyleAnimType_None)
@@ -2172,17 +2115,17 @@ CSS_PROP_(
     max-width,
     max_width,
     MaxWidth,
     0,
     "",
     VARIANT_HKLPO | VARIANT_CALC,
     kWidthKTable,
     eStyleAnimType_Coord)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     min-block-size,
     min_block_size,
     MinBlockSize,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -2202,17 +2145,17 @@ CSS_PROP_(
     min-height,
     min_height,
     MinHeight,
     0,
     "",
     VARIANT_AHKLP | VARIANT_CALC,
     kWidthKTable,
     eStyleAnimType_Coord)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     min-inline-size,
     min_inline_size,
     MinInlineSize,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHKLP | VARIANT_CALC,
     kWidthKTable,
     eStyleAnimType_None)
@@ -2247,44 +2190,44 @@ CSS_PROP_(
     object-position,
     object_position,
     ObjectPosition,
     CSS_PROPERTY_PARSE_FUNCTION,
     "",
     VARIANT_CALC,
     kImageLayerPositionKTable,
     eStyleAnimType_Custom)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     offset-block-end,
     offset_block_end,
     OffsetBlockEnd,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     offset-block-start,
     offset_block_start,
     OffsetBlockStart,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     offset-inline-end,
     offset_inline_end,
     OffsetInlineEnd,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     offset-inline-start,
     offset_inline_start,
     OffsetInlineStart,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_AHLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -2458,26 +2401,26 @@ CSS_PROP_(
     kOverflowSubKTable,
     eStyleAnimType_Discrete)
 CSS_PROP_SHORTHAND(
     padding,
     padding,
     Padding,
     CSS_PROPERTY_PARSE_FUNCTION,
     "")
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     padding-block-end,
     padding_block_end,
     PaddingBlockEnd,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     padding-block-start,
     padding_block_start,
     PaddingBlockStart,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -2485,26 +2428,26 @@ CSS_PROP_(
     padding-bottom,
     padding_bottom,
     PaddingBottom,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_Sides_Bottom)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     padding-inline-end,
     padding_inline_end,
     PaddingInlineEnd,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
-CSS_PROP_LOGICAL(
+CSS_PROP_(
     padding-inline-start,
     padding_inline_start,
     PaddingInlineStart,
     CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH,
     "",
     VARIANT_HLP | VARIANT_CALC,
     nullptr,
     eStyleAnimType_None)
@@ -3537,14 +3480,10 @@ CSS_PROP_(
     eStyleAnimType_Coord)
 
 #undef CSS_PROP_
 
 #ifdef DEFINED_CSS_PROP_SHORTHAND
 #undef CSS_PROP_SHORTHAND
 #undef DEFINED_CSS_PROP_SHORTHAND
 #endif
-#ifdef DEFINED_CSS_PROP_LOGICAL
-#undef CSS_PROP_LOGICAL
-#undef DEFINED_CSS_PROP_LOGICAL
-#endif
 
 #undef CSS_PROP_DOMPROP_PREFIXED

--- a/layout/style/nsCSSPropertyID.h
+++ b/layout/style/nsCSSPropertyID.h
@@ -17,19 +17,17 @@
 
    To change the list of properties, see nsCSSPropList.h
 
  */
 enum nsCSSPropertyID {
   eCSSProperty_UNKNOWN = -1,
 
   #define CSS_PROP(name_, id_, ...) eCSSProperty_##id_,
-  #define CSS_PROP_LIST_INCLUDE_LOGICAL
   #include "nsCSSPropList.h"
-  #undef CSS_PROP_LIST_INCLUDE_LOGICAL
   #undef CSS_PROP
 
   eCSSProperty_COUNT_no_shorthands,
   // Make the count continue where it left off:
   eCSSProperty_COUNT_DUMMY = eCSSProperty_COUNT_no_shorthands - 1,
 
   #define CSS_PROP_SHORTHAND(name_, id_, ...) eCSSProperty_##id_,
   #include "nsCSSPropList.h"

--- a/layout/style/nsCSSProps.cpp
+++ b/layout/style/nsCSSProps.cpp
@@ -36,42 +36,36 @@ typedef nsCSSProps::KTableEntry KTableEn
 // By wrapping internal-only properties in this macro, we are not
 // exposing them in the CSSOM. Since currently it is not necessary to
 // allow accessing them in that way, it is easier and cheaper to just
 // do this rather than exposing them conditionally.
 #define CSS_PROP(name_, id_, method_, flags_, pref_, ...) \
   static_assert(!((flags_) & CSS_PROPERTY_ENABLED_MASK) || pref_[0], \
                 "Internal-only property '" #name_ "' should be wrapped in " \
                 "#ifndef CSS_PROP_LIST_EXCLUDE_INTERNAL");
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #define CSS_PROP_LIST_EXCLUDE_INTERNAL
 #include "nsCSSPropList.h"
 #undef CSS_PROP_LIST_EXCLUDE_INTERNAL
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 
 #define CSS_PROP(name_, id_, method_, flags_, pref_, ...) \
   static_assert(!((flags_) & CSS_PROPERTY_ENABLED_IN_CHROME) || \
                 ((flags_) & CSS_PROPERTY_ENABLED_IN_UA_SHEETS), \
                 "Property '" #name_ "' is enabled in chrome, so it should " \
                 "also be enabled in UA sheets");
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 
 // required to make the symbol external, so that TestCSSPropertyLookup.cpp can link with it
 extern const char* const kCSSRawProperties[];
 
 // define an array of all CSS properties
 const char* const kCSSRawProperties[eCSSProperty_COUNT_with_aliases] = {
 #define CSS_PROP(name_, ...) #name_,
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 #define CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) #name_,
 #include "nsCSSPropList.h"
 #undef CSS_PROP_SHORTHAND
 #define CSS_PROP_ALIAS(aliasname_, aliasid_, id_, method_, pref_) #aliasname_,
 #include "nsCSSPropAliasList.h"
 #undef CSS_PROP_ALIAS
 };
@@ -184,19 +178,17 @@ nsCSSProps::AddRefTable(void)
       #define OBSERVE_PROP(pref_, id_)                                        \
         if (pref_[0]) {                                                       \
           Preferences::AddBoolVarCache(&gPropertyEnabled[id_],                \
                                        pref_);                                \
         }
 
       #define CSS_PROP(name_, id_, method_, flags_, pref_, ...) \
         OBSERVE_PROP(pref_, eCSSProperty_##id_)
-      #define CSS_PROP_LIST_INCLUDE_LOGICAL
       #include "nsCSSPropList.h"
-      #undef CSS_PROP_LIST_INCLUDE_LOGICAL
       #undef CSS_PROP
 
       #define  CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) \
         OBSERVE_PROP(pref_, eCSSProperty_##id_)
       #include "nsCSSPropList.h"
       #undef CSS_PROP_SHORTHAND
 
       #define CSS_PROP_ALIAS(aliasname_, aliasid_, propid_, aliasmethod_, pref_)    \
@@ -237,21 +229,19 @@ nsCSSProps::AddRefTable(void)
       }
 
       // Assert that CSS_PROPERTY_INTERNAL is used on properties in
       // #ifndef CSS_PROP_LIST_EXCLUDE_INTERNAL sections of nsCSSPropList.h
       // and on no others.
       static nsCSSPropertyID nonInternalProperties[] = {
         #define CSS_PROP(name_, id_, ...)           eCSSProperty_##id_,
         #define CSS_PROP_SHORTHAND(name_, id_, ...) eCSSProperty_##id_,
-        #define CSS_PROP_LIST_INCLUDE_LOGICAL
         #define CSS_PROP_LIST_EXCLUDE_INTERNAL
         #include "nsCSSPropList.h"
         #undef CSS_PROP_LIST_EXCLUDE_INTERNAL
-        #undef CSS_PROP_LIST_INCLUDE_LOGICAL
         #undef CSS_PROP_SHORTHAND
         #undef CSS_PROP
       };
       MOZ_ASSERT(ArrayLength(nonInternalProperties) <= eCSSProperty_COUNT);
 
       bool found[eCSSProperty_COUNT];
       PodArrayZero(found);
       for (nsCSSPropertyID p : nonInternalProperties) {
@@ -2223,19 +2213,17 @@ nsCSSProps::ValueToKeyword(int32_t aValu
     return nsCSSKeywords::GetStringValue(keyword);
   }
 }
 
 /* static */ const KTableEntry* const
 nsCSSProps::kKeywordTableTable[eCSSProperty_COUNT_no_shorthands] = {
   #define CSS_PROP(name_, id_, method_, flags_, pref_, parsevariant_, \
                    kwtable_, ...) kwtable_,
-  #define CSS_PROP_LIST_INCLUDE_LOGICAL
   #include "nsCSSPropList.h"
-  #undef CSS_PROP_LIST_INCLUDE_LOGICAL
   #undef CSS_PROP
 };
 
 const nsCString&
 nsCSSProps::LookupPropertyValue(nsCSSPropertyID aProp, int32_t aValue)
 {
   MOZ_ASSERT(aProp >= 0 && aProp < eCSSProperty_COUNT,
              "property out of range");
@@ -2272,40 +2260,34 @@ bool nsCSSProps::GetColorName(int32_t aP
   return rv;
 }
 
 const nsStyleAnimType
 nsCSSProps::kAnimTypeTable[eCSSProperty_COUNT_no_shorthands] = {
 #define CSS_PROP(name_, id_, method_, flags_, pref_, \
                  parsevariant_, kwtable_, animtype_) \
   animtype_,
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 };
 
 const uint32_t nsCSSProps::kFlagsTable[eCSSProperty_COUNT] = {
 #define CSS_PROP(name_, id_, method_, flags_, ...) flags_,
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 #define CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) flags_,
 #include "nsCSSPropList.h"
 #undef CSS_PROP_SHORTHAND
 };
 
 static const nsCSSPropertyID gAllSubpropTable[] = {
 #define CSS_PROP_LIST_ONLY_COMPONENTS_OF_ALL_SHORTHAND
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #define CSS_PROP(name_, id_, ...) eCSSProperty_##id_,
 #include "nsCSSPropList.h"
 #undef CSS_PROP
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP_LIST_ONLY_COMPONENTS_OF_ALL_SHORTHAND
   eCSSProperty_UNKNOWN
 };
 
 static const nsCSSPropertyID gAnimationSubpropTable[] = {
   eCSSProperty_animation_duration,
   eCSSProperty_animation_timing_function,
   eCSSProperty_animation_delay,
@@ -2749,19 +2731,17 @@ nsCSSProps::gPropertyEnabled[eCSSPropert
   // value is, it will later be changed in nsCSSProps::AddRefTable().
   // If the property has "ENABLED_IN" flags but doesn't have a pref,
   // it is an internal property which is disabled elsewhere.
   #define IS_ENABLED_BY_DEFAULT(flags_) \
     (!((flags_) & CSS_PROPERTY_ENABLED_MASK))
 
   #define CSS_PROP(name_, id_, method_, flags_, ...) \
     IS_ENABLED_BY_DEFAULT(flags_),
-  #define CSS_PROP_LIST_INCLUDE_LOGICAL
   #include "nsCSSPropList.h"
-  #undef CSS_PROP_LIST_INCLUDE_LOGICAL
   #undef CSS_PROP
 
   #define  CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) \
     IS_ENABLED_BY_DEFAULT(flags_),
   #include "nsCSSPropList.h"
   #undef CSS_PROP_SHORTHAND
 
   #define CSS_PROP_ALIAS(aliasname_, aliasid_, propid_, aliasmethod_, pref_) \
@@ -2772,28 +2752,24 @@ nsCSSProps::gPropertyEnabled[eCSSPropert
   #undef IS_ENABLED_BY_DEFAULT
 };
 
 #include "../../dom/base/PropertyUseCounterMap.inc"
 
 /* static */ const UseCounter
 nsCSSProps::gPropertyUseCounter[eCSSProperty_COUNT_no_shorthands] = {
   #define CSS_PROP_PUBLIC_OR_PRIVATE(publicname_, privatename_) privatename_
-  #define CSS_PROP_LIST_INCLUDE_LOGICAL
   #define CSS_PROP(name_, id_, method_, ...) \
     static_cast<UseCounter>(USE_COUNTER_FOR_CSS_PROPERTY_##method_),
   #include "nsCSSPropList.h"
   #undef CSS_PROP
-  #undef CSS_PROP_LIST_INCLUDE_LOGICAL
   #undef CSS_PROP_PUBLIC_OR_PRIVATE
 };
 
 const uint32_t
 nsCSSProps::kParserVariantTable[eCSSProperty_COUNT_no_shorthands] = {
 #define CSS_PROP(name_, id_, method_, flags_, pref_, parsevariant_, ...) \
   parsevariant_,
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 };
 
 #include "nsCSSPropsGenerated.inc"

--- a/layout/style/nsComputedDOMStyle.cpp
+++ b/layout/style/nsComputedDOMStyle.cpp
@@ -7178,31 +7178,27 @@ nsComputedDOMStyle::RegisterPrefChangeCa
   // entries iterated in nsComputedDOMStylePropertyList.h.
   ComputedStyleMap* data = GetComputedStyleMap();
 #define REGISTER_CALLBACK(pref_)                                             \
   if (pref_[0]) {                                                            \
     Preferences::RegisterCallback(MarkComputedStyleMapDirty, pref_, data);   \
   }
 #define CSS_PROP(prop_, id_, method_, flags_, pref_, ...) \
   REGISTER_CALLBACK(pref_)
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 #undef REGISTER_CALLBACK
 }
 
 /* static */ void
 nsComputedDOMStyle::UnregisterPrefChangeCallbacks()
 {
   ComputedStyleMap* data = GetComputedStyleMap();
 #define UNREGISTER_CALLBACK(pref_)                                             \
   if (pref_[0]) {                                                              \
     Preferences::UnregisterCallback(MarkComputedStyleMapDirty, pref_, data);   \
   }
 #define CSS_PROP(prop_, id_, method_, flags_, pref_, ...) \
   UNREGISTER_CALLBACK(pref_)
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #include "nsCSSPropList.h"
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 #undef UNREGISTER_CALLBACK
 }

--- a/layout/style/nsDOMCSSDeclaration.h
+++ b/layout/style/nsDOMCSSDeclaration.h
@@ -93,27 +93,25 @@ public:
   void                                                                       \
   Set##method_(const nsAString& aValue, nsIPrincipal* aSubjectPrincipal,     \
                mozilla::ErrorResult& rv)                                     \
   {                                                                          \
     rv = SetPropertyValue(eCSSProperty_##id_, aValue, aSubjectPrincipal);    \
   }
 
 #define CSS_PROP_LIST_EXCLUDE_INTERNAL
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 #define CSS_PROP_SHORTHAND(name_, id_, method_, ...)  CSS_PROP(name_, id_, method_, )
 #include "nsCSSPropList.h"
 
 #define CSS_PROP_ALIAS(aliasname_, aliasid_, propid_, aliasmethod_, ...)  \
   CSS_PROP(X, propid_, aliasmethod_, )
 #include "nsCSSPropAliasList.h"
 #undef CSS_PROP_ALIAS
 
 #undef CSS_PROP_SHORTHAND
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP_LIST_EXCLUDE_INTERNAL
 #undef CSS_PROP
 #undef CSS_PROP_PUBLIC_OR_PRIVATE
 
   virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) override;
 
   virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
 

--- a/layout/style/test/ListCSSProperties.cpp
+++ b/layout/style/test/ListCSSProperties.cpp
@@ -16,40 +16,36 @@ struct PropertyInfo {
     const char *pref;
 };
 
 const PropertyInfo gLonghandProperties[] = {
 
 #define CSS_PROP_PUBLIC_OR_PRIVATE(publicname_, privatename_) publicname_
 #define CSS_PROP(name_, id_, method_, flags_, pref_, ...) \
     { #name_, #method_, pref_ },
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 
 #include "nsCSSPropList.h"
 
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 #undef CSS_PROP_PUBLIC_OR_PRIVATE
 
 };
 
 /*
  * These are the properties for which domName in the above list should
  * be used.  They're in the same order as the above list, with some
  * items skipped.
  */
 const char* gLonghandPropertiesWithDOMProp[] = {
 
 #define CSS_PROP_LIST_EXCLUDE_INTERNAL
 #define CSS_PROP(name_, ...) #name_,
-#define CSS_PROP_LIST_INCLUDE_LOGICAL
 
 #include "nsCSSPropList.h"
 
-#undef CSS_PROP_LIST_INCLUDE_LOGICAL
 #undef CSS_PROP
 #undef CSS_PROP_LIST_EXCLUDE_INTERNAL
 
 };
 
 const PropertyInfo gShorthandProperties[] = {
 
 #define CSS_PROP_PUBLIC_OR_PRIVATE(publicname_, privatename_) publicname_