deleted file mode 100644
--- a/intl/icu-patches/suppress-warnings.diff
+++ /dev/null
@@ -1,80 +0,0 @@
-diff --git a/intl/icu/source/acinclude.m4 b/intl/icu/source/acinclude.m4
---- a/intl/icu/source/acinclude.m4
-+++ b/intl/icu/source/acinclude.m4
-@@ -466,30 +466,36 @@ AC_DEFUN([AC_CHECK_STRICT_COMPILE],
-             *)
-                 # Do not use -ansi. It limits us to C90, and it breaks some platforms.
-                 # We use -std=c99 to disable the gnu99 defaults and its associated warnings
-                 CFLAGS="$CFLAGS -std=c99"
-                 ;;
-             esac
-             
-             CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings"
-+
-+            # Suppress clang C warnings:
-+            CFLAGS="$CFLAGS -Wno-sign-compare -Wno-unused"
-         else
-             case "${host}" in
-             *-*-cygwin)
-                 if test "`$CC /help 2>&1 | head -c9`" = "Microsoft"
-                 then
-                     CFLAGS="$CFLAGS /W4"
-                 fi ;;
-             *-*-mingw32|*-*-mingw64)
-                 CFLAGS="$CFLAGS -W4" ;;
-             esac
-         fi
-         if test "$GXX" = yes
-         then
-             CXXFLAGS="$CXXFLAGS -W -Wall -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long"
-+
-+            # Suppress clang C++ warnings:
-+            CXXFLAGS="$CXXFLAGS -Wno-unused -Wno-unused-parameter"
-         else
-             case "${host}" in
-             *-*-cygwin)
-                 if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft"
-                 then
-                     CXXFLAGS="$CXXFLAGS /W4"
-                 fi ;;
-             *-*-mingw32|*-*-mingw64)
-diff --git a/intl/icu/source/configure b/intl/icu/source/configure
---- a/intl/icu/source/configure
-+++ b/intl/icu/source/configure
-@@ -4089,30 +4089,36 @@ fi
-             *)
-                 # Do not use -ansi. It limits us to C90, and it breaks some platforms.
-                 # We use -std=c99 to disable the gnu99 defaults and its associated warnings
-                 CFLAGS="$CFLAGS -std=c99"
-                 ;;
-             esac
- 
-             CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings"
-+
-+            # Suppress clang C warnings:
-+            CFLAGS="$CFLAGS -Wno-sign-compare -Wno-unused"
-         else
-             case "${host}" in
-             *-*-cygwin)
-                 if test "`$CC /help 2>&1 | head -c9`" = "Microsoft"
-                 then
-                     CFLAGS="$CFLAGS /W4"
-                 fi ;;
-             *-*-mingw32|*-*-mingw64)
-                 CFLAGS="$CFLAGS -W4" ;;
-             esac
-         fi
-         if test "$GXX" = yes
-         then
-             CXXFLAGS="$CXXFLAGS -W -Wall -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long"
-+
-+            # Suppress clang C++ warnings:
-+            CXXFLAGS="$CXXFLAGS -Wno-unused -Wno-unused-parameter"
-         else
-             case "${host}" in
-             *-*-cygwin)
-                 if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft"
-                 then
-                     CXXFLAGS="$CXXFLAGS /W4"
-                 fi ;;
-             *-*-mingw32|*-*-mingw64)

--- a/intl/icu/source/acinclude.m4
+++ b/intl/icu/source/acinclude.m4
@@ -466,36 +466,30 @@ AC_DEFUN([AC_CHECK_STRICT_COMPILE],
             *)
                 # Do not use -ansi. It limits us to C90, and it breaks some platforms.
                 # We use -std=c99 to disable the gnu99 defaults and its associated warnings
                 CFLAGS="$CFLAGS -std=c99"
                 ;;
             esac
             
             CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings"
-
-            # Suppress clang C warnings:
-            CFLAGS="$CFLAGS -Wno-sign-compare -Wno-unused"
         else
             case "${host}" in
             *-*-cygwin)
                 if test "`$CC /help 2>&1 | head -c9`" = "Microsoft"
                 then
                     CFLAGS="$CFLAGS /W4"
                 fi ;;
             *-*-mingw32|*-*-mingw64)
                 CFLAGS="$CFLAGS -W4" ;;
             esac
         fi
         if test "$GXX" = yes
         then
             CXXFLAGS="$CXXFLAGS -W -Wall -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long"
-
-            # Suppress clang C++ warnings:
-            CXXFLAGS="$CXXFLAGS -Wno-unused -Wno-unused-parameter"
         else
             case "${host}" in
             *-*-cygwin)
                 if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft"
                 then
                     CXXFLAGS="$CXXFLAGS /W4"
                 fi ;;
             *-*-mingw32|*-*-mingw64)

--- a/intl/icu/source/configure
+++ b/intl/icu/source/configure
@@ -4089,36 +4089,30 @@ fi
             *)
                 # Do not use -ansi. It limits us to C90, and it breaks some platforms.
                 # We use -std=c99 to disable the gnu99 defaults and its associated warnings
                 CFLAGS="$CFLAGS -std=c99"
                 ;;
             esac
 
             CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings"
-
-            # Suppress clang C warnings:
-            CFLAGS="$CFLAGS -Wno-sign-compare -Wno-unused"
         else
             case "${host}" in
             *-*-cygwin)
                 if test "`$CC /help 2>&1 | head -c9`" = "Microsoft"
                 then
                     CFLAGS="$CFLAGS /W4"
                 fi ;;
             *-*-mingw32|*-*-mingw64)
                 CFLAGS="$CFLAGS -W4" ;;
             esac
         fi
         if test "$GXX" = yes
         then
             CXXFLAGS="$CXXFLAGS -W -Wall -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long"
-
-            # Suppress clang C++ warnings:
-            CXXFLAGS="$CXXFLAGS -Wno-unused -Wno-unused-parameter"
         else
             case "${host}" in
             *-*-cygwin)
                 if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft"
                 then
                     CXXFLAGS="$CXXFLAGS /W4"
                 fi ;;
             *-*-mingw32|*-*-mingw64)

--- a/intl/update-icu.sh
+++ b/intl/update-icu.sh
@@ -50,11 +50,10 @@ rm ${icu_dir}/source/data/translit/*
 # the tree.)
 svn info $1 | grep -v '^Revision: [[:digit:]]\+$' > ${icu_dir}/SVN-INFO
 
 patch -d ${icu_dir}/../../ -p1 < ${icu_dir}/../icu-patches/bug-724533
 patch -d ${icu_dir}/../../ -p1 < ${icu_dir}/../icu-patches/bug-899722-4
 patch -d ${icu_dir}/../../ -p1 < ${icu_dir}/../icu-patches/bug-915735
 patch -d ${icu_dir}/../../ -p1 < ${icu_dir}/../icu-patches/genrb-omitCollationRules.diff
 patch -d ${icu_dir}/../../ -p1 < ${icu_dir}/../icu-patches/qualify-uinitonce-windows.diff
-patch -d ${icu_dir}/../../ -p1 < ${icu_dir}/../icu-patches/suppress-warnings.diff
 
 hg addremove ${icu_dir}