--- a/dom/base/Attr.cpp
+++ b/dom/base/Attr.cpp
@@ -232,26 +232,22 @@ Attr::GetOwnerElement(nsIDOMElement** aO
   *aOwnerElement = nullptr;
 
   return NS_OK;
 }
 
 void
 Attr::GetNodeValueInternal(nsAString& aNodeValue)
 {
-  OwnerDoc()->WarnOnceAbout(nsIDocument::eNodeValue);
-
   GetValue(aNodeValue);
 }
 
 void
 Attr::SetNodeValueInternal(const nsAString& aNodeValue, ErrorResult& aError)
 {
-  OwnerDoc()->WarnOnceAbout(nsIDocument::eNodeValue);
-
   aError = SetValue(aNodeValue);
 }
 
 nsresult
 Attr::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
             bool aPreallocateChildren) const
 {
   nsAutoString value;
@@ -275,27 +271,23 @@ Attr::GetBaseURI(bool aTryUseXHRDocBaseU
 
   return parent ? parent->GetBaseURI(aTryUseXHRDocBaseURI) : nullptr;
 }
 
 void
 Attr::GetTextContentInternal(nsAString& aTextContent,
                              OOMReporter& aError)
 {
-  OwnerDoc()->WarnOnceAbout(nsIDocument::eTextContent);
-
   GetValue(aTextContent);
 }
 
 void
 Attr::SetTextContentInternal(const nsAString& aTextContent,
                              ErrorResult& aError)
 {
-  OwnerDoc()->WarnOnceAbout(nsIDocument::eTextContent);
-
   SetNodeValueInternal(aTextContent, aError);
 }
 
 NS_IMETHODIMP
 Attr::GetIsId(bool* aReturn)
 {
   *aReturn = mNodeInfo->Equals(nsGkAtoms::id, kNameSpaceID_None);
   return NS_OK;

--- a/dom/base/Element.cpp
+++ b/dom/base/Element.cpp
@@ -1338,17 +1338,16 @@ Element::RemoveAttribute(const nsAString
   nsAttrName tmp(*name);
 
   aError = UnsetAttr(name->NamespaceID(), name->LocalName(), true);
 }
 
 Attr*
 Element::GetAttributeNode(const nsAString& aName)
 {
-  OwnerDoc()->WarnOnceAbout(nsIDocument::eGetAttributeNode);
   return Attributes()->GetNamedItem(aName);
 }
 
 already_AddRefed<Attr>
 Element::SetAttributeNode(Attr& aNewAttr, ErrorResult& aError)
 {
   return Attributes()->SetNamedItemNS(aNewAttr, aError);
 }
@@ -1358,17 +1357,16 @@ Element::RemoveAttributeNode(Attr& aAttr
                              ErrorResult& aError)
 {
   Element *elem = aAttribute.GetElement();
   if (elem != this) {
     aError.Throw(NS_ERROR_DOM_NOT_FOUND_ERR);
     return nullptr;
   }
 
-  OwnerDoc()->WarnOnceAbout(nsIDocument::eRemoveAttributeNode);
   nsAutoString nameSpaceURI;
   aAttribute.NodeInfo()->GetNamespaceURI(nameSpaceURI);
   return Attributes()->RemoveNamedItemNS(nameSpaceURI, aAttribute.NodeInfo()->LocalName(), aError);
 }
 
 void
 Element::GetAttributeNS(const nsAString& aNamespaceURI,
                         const nsAString& aLocalName,
@@ -1430,18 +1428,16 @@ Element::RemoveAttributeNS(const nsAStri
 
   aError = UnsetAttr(nsid, name, true);
 }
 
 Attr*
 Element::GetAttributeNodeNS(const nsAString& aNamespaceURI,
                             const nsAString& aLocalName)
 {
-  OwnerDoc()->WarnOnceAbout(nsIDocument::eGetAttributeNodeNS);
-
   return GetAttributeNodeNSInternal(aNamespaceURI, aLocalName);
 }
 
 Attr*
 Element::GetAttributeNodeNSInternal(const nsAString& aNamespaceURI,
                                     const nsAString& aLocalName)
 {
   return Attributes()->GetNamedItemNS(aNamespaceURI, aLocalName);

--- a/dom/base/nsDeprecatedOperationList.h
+++ b/dom/base/nsDeprecatedOperationList.h
@@ -5,23 +5,16 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 // IWYU pragma: private, include "nsIDocument.h"
 
 /*
  * This file contains the list of deprecated DOM operations.  It is
  * designed to be used as input to the C preprocessor *only*.
  */
 
-DEPRECATED_OPERATION(GetAttributeNode)
-DEPRECATED_OPERATION(GetAttributeNodeNS)
-DEPRECATED_OPERATION(RemoveAttributeNode)
-DEPRECATED_OPERATION(CreateAttribute)
-DEPRECATED_OPERATION(CreateAttributeNS)
-DEPRECATED_OPERATION(NodeValue)
-DEPRECATED_OPERATION(TextContent)
 DEPRECATED_OPERATION(EnablePrivilege)
 DEPRECATED_OPERATION(DOMExceptionCode)
 DEPRECATED_OPERATION(MutationEvent)
 DEPRECATED_OPERATION(Components)
 DEPRECATED_OPERATION(PrefixedVisibilityAPI)
 DEPRECATED_OPERATION(NodeIteratorDetach)
 DEPRECATED_OPERATION(LenientThis)
 DEPRECATED_OPERATION(GetPreventDefault)

--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -6241,18 +6241,16 @@ nsDocument::CreateAttribute(const nsAStr
   ErrorResult rv;
   *aReturn = nsIDocument::CreateAttribute(aName, rv).take();
   return rv.StealNSResult();
 }
 
 already_AddRefed<Attr>
 nsIDocument::CreateAttribute(const nsAString& aName, ErrorResult& rv)
 {
-  WarnOnceAbout(eCreateAttribute);
-
   if (!mNodeInfoManager) {
     rv.Throw(NS_ERROR_NOT_INITIALIZED);
     return nullptr;
   }
 
   nsresult res = nsContentUtils::CheckQName(aName, false);
   if (NS_FAILED(res)) {
     rv.Throw(res);
@@ -6291,18 +6289,16 @@ nsDocument::CreateAttributeNS(const nsAS
   return rv.StealNSResult();
 }
 
 already_AddRefed<Attr>
 nsIDocument::CreateAttributeNS(const nsAString& aNamespaceURI,
                                const nsAString& aQualifiedName,
                                ErrorResult& rv)
 {
-  WarnOnceAbout(eCreateAttributeNS);
-
   RefPtr<mozilla::dom::NodeInfo> nodeInfo;
   rv = nsContentUtils::GetNodeInfoFromQName(aNamespaceURI,
                                             aQualifiedName,
                                             mNodeInfoManager,
                                             nsIDOMNode::ATTRIBUTE_NODE,
                                             getter_AddRefs(nodeInfo));
   if (rv.Failed()) {
     return nullptr;

--- a/dom/bindings/test/TestCodeGen.webidl
+++ b/dom/bindings/test/TestCodeGen.webidl
@@ -794,37 +794,37 @@ interface TestInterface {
 
   // Typedefs
   const myLong myLongConstant = 5;
   void exerciseTypedefInterfaces1(AnotherNameForTestInterface arg);
   AnotherNameForTestInterface exerciseTypedefInterfaces2(NullableTestInterface arg);
   void exerciseTypedefInterfaces3(YetAnotherNameForTestInterface arg);
 
   // Deprecated methods and attributes
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   attribute byte deprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   byte deprecatedMethod();
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   byte deprecatedMethodWithContext(any arg);
 
   // Static methods and attributes
   static attribute boolean staticAttribute;
   static void staticMethod(boolean arg);
   static void staticMethodWithContext(any arg);
 
   // Testing static method with a reserved C++ keyword as the name
   static void assert(boolean arg);
 
   // Deprecated static methods and attributes
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static attribute byte staticDeprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static void staticDeprecatedMethod();
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static void staticDeprecatedMethodWithContext(any arg);
 
   // Overload resolution tests
   //void overload1(DOMString... strs);
   boolean overload1(TestInterface arg);
   TestInterface overload1(DOMString strs, TestInterface arg);
   void overload2(TestInterface arg);
   void overload2(optional Dict arg);
@@ -1256,17 +1256,17 @@ interface TestNamedDeleterWithRetvalInte
 };
 
 interface TestCppKeywordNamedMethodsInterface {
   boolean continue();
   boolean delete();
   long volatile();
 };
 
-[Deprecated="GetAttributeNode", Constructor()]
+[Deprecated="EnablePrivilege", Constructor()]
 interface TestDeprecatedInterface {
   static void alsoDeprecated();
 };
 
 
 [Constructor(Promise<void> promise)]
 interface TestInterfaceWithPromiseConstructorArg {
 };

--- a/dom/bindings/test/TestExampleGen.webidl
+++ b/dom/bindings/test/TestExampleGen.webidl
@@ -627,34 +627,34 @@ interface TestExampleInterface {
 
   // Typedefs
   const myLong myLongConstant = 5;
   void exerciseTypedefInterfaces1(AnotherNameForTestInterface arg);
   AnotherNameForTestInterface exerciseTypedefInterfaces2(NullableTestInterface arg);
   void exerciseTypedefInterfaces3(YetAnotherNameForTestInterface arg);
 
   // Deprecated methods and attributes
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   attribute boolean deprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   void deprecatedMethod(boolean arg);
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   void deprecatedMethodWithContext(any arg);
 
   // Static methods and attributes
   static attribute boolean staticAttribute;
   static void staticMethod(boolean arg);
   static void staticMethodWithContext(any arg);
 
   // Deprecated methods and attributes;
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static attribute boolean staticDeprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static void staticDeprecatedMethod(boolean arg);
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static void staticDeprecatedMethodWithContext(any arg);
 
   // Overload resolution tests
   //void overload1(DOMString... strs);
   boolean overload1(TestInterface arg);
   TestInterface overload1(DOMString strs, TestInterface arg);
   void overload2(TestInterface arg);
   void overload2(optional Dict arg);

--- a/dom/bindings/test/TestJSImplGen.webidl
+++ b/dom/bindings/test/TestJSImplGen.webidl
@@ -638,36 +638,36 @@ interface TestJSImplInterface {
 
   // Typedefs
   const myLong myLongConstant = 5;
   void exerciseTypedefInterfaces1(AnotherNameForTestJSImplInterface arg);
   AnotherNameForTestJSImplInterface exerciseTypedefInterfaces2(NullableTestJSImplInterface arg);
   void exerciseTypedefInterfaces3(YetAnotherNameForTestJSImplInterface arg);
 
   // Deprecated methods and attributes
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   attribute byte deprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   byte deprecatedMethod();
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   void deprecatedMethodWithContext(any arg);
 
   // Static methods and attributes
   // FIXME: Bug 863952 Static things are not supported yet
   /*
   static attribute boolean staticAttribute;
   static void staticMethod(boolean arg);
   static void staticMethodWithContext(any arg);
 
   // Deprecated static methods and attributes
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static attribute byte staticDeprecatedAttribute;
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static byte staticDeprecatedMethod();
-  [Deprecated="GetAttributeNode"]
+  [Deprecated="EnablePrivilege"]
   static byte staticDeprecatedMethodWithContext();
   */
 
   // Overload resolution tests
   //void overload1(DOMString... strs);
   boolean overload1(TestJSImplInterface arg);
   TestJSImplInterface overload1(DOMString strs, TestJSImplInterface arg);
   void overload2(TestJSImplInterface arg);

--- a/dom/locales/en-US/chrome/dom/dom.properties
+++ b/dom/locales/en-US/chrome/dom/dom.properties
@@ -52,23 +52,16 @@ FormValidationDateTimeRangeOverflow=Plea
 FormValidationNumberRangeUnderflow=Please select a value that is no less than %S.
 # LOCALIZATION NOTE (FormValidationDateTimeRangeUnderflow): %S is a date or a time.
 FormValidationDateTimeRangeUnderflow=Please select a value that is no earlier than %S.
 # LOCALIZATION NOTE (FormValidationStepMismatch): both %S can be a number, a date or a time.
 FormValidationStepMismatch=Please select a valid value. The two nearest valid values are %S and %S.
 # LOCALIZATION NOTE (FormValidationStepMismatchOneValue): %S can be a number, a date or a time. This is called instead of FormValidationStepMismatch when the second value is the same as the first.
 FormValidationStepMismatchOneValue=Please select a valid value. The nearest valid value is %S.
 FormValidationBadInputNumber=Please enter a number.
-GetAttributeNodeWarning=Use of getAttributeNode() is deprecated. Use getAttribute() instead.
-GetAttributeNodeNSWarning=Use of getAttributeNodeNS() is deprecated. Use getAttributeNS() instead.
-RemoveAttributeNodeWarning=Use of removeAttributeNode() is deprecated. Use removeAttribute() instead.
-CreateAttributeWarning=Use of document.createAttribute() is deprecated. Use element.setAttribute() instead.
-CreateAttributeNSWarning=Use of document.createAttributeNS() is deprecated. Use element.setAttributeNS() instead.
-NodeValueWarning=Use of attributes’ nodeValue attribute is deprecated. Use value instead.
-TextContentWarning=Use of attributes’ textContent attribute is deprecated. Use value instead.
 EnablePrivilegeWarning=Use of enablePrivilege is deprecated.  Please use code that runs with the system principal (e.g. an extension) instead.
 FullscreenDeniedDisabled=Request for fullscreen was denied because Fullscreen API is disabled by user preference.
 FullscreenDeniedFocusedPlugin=Request for fullscreen was denied because a windowed plugin is focused.
 FullscreenDeniedHidden=Request for fullscreen was denied because the document is no longer visible.
 FullscreenDeniedContainerNotAllowed=Request for fullscreen was denied because at least one of the document’s containing elements is not an iframe or does not have an “allowfullscreen” attribute.
 FullscreenDeniedNotInputDriven=Request for fullscreen was denied because Element.requestFullscreen() was not called from inside a short running user-generated event handler.
 FullscreenDeniedNotHTMLSVGOrMathML=Request for fullscreen was denied because requesting element is not <svg>, <math>, or an HTML element.
 FullscreenDeniedNotInDocument=Request for fullscreen was denied because requesting element is no longer in its document.