diff --git a/build/build.xml b/build/build.xml
index 158a7c3b4..0c406f320 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -242,9 +242,9 @@
     </antcall>
 
     <antcall target="unzip-arm-toolchain">
-      <param name="dist_file" value="gcc-arm-none-eabi-4.7.4-2013q2-mac.tar.gz" />
-      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.7.4-2013q2-mac.tar.gz" />
-      <param name="dist_check_file" value="gcc-arm-none-eabi-4.7.4-2013q2" />
+      <param name="dist_file" value="gcc-arm-none-eabi-4.4.1-2010q1-188-macos.tar.gz" />
+      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.4.1-2010q1-188-macos.tar.gz" />
+      <param name="dist_check_file" value="g++_arm_none_eabi" />
     </antcall>
 
     <delete includeEmptyDirs="true" quiet="true">
@@ -469,9 +469,9 @@
   <target name="linux32-build" depends="linux-build" description="Build linux (32-bit) version">
     <!-- Unzip ARM tools -->
     <antcall target="unzip-arm-toolchain">
-      <param name="dist_file" value="gcc-arm-none-eabi-4.7.4-2013q2-linux32.tar.gz" />
-      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.7.4-2013q2-linux32.tar.gz" />
-      <param name="dist_check_file" value="gcc-arm-none-eabi-4.7.4-2013q2" />
+      <param name="dist_file" value="gcc-arm-none-eabi-4.4.1-2010q1-188-linux32.tar.gz" />
+      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.4.1-2010q1-188-linux32.tar.gz" />
+      <param name="dist_check_file" value="g++_arm_none_eabi" />
     </antcall>
 
     <!-- Unzip AVR tools -->
@@ -489,9 +489,9 @@
 
     <!-- Unzip ARM tools -->
     <antcall target="unzip-arm-toolchain">
-      <param name="dist_file" value="gcc-arm-none-eabi-4.7.4-2013q2-linux64.tar.gz" />
-      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.7.4-2013q2-linux64.tar.gz" />
-      <param name="dist_check_file" value="gcc-arm-none-eabi-4.7.4-2013q2" />
+      <param name="dist_file" value="gcc-arm-none-eabi-4.4.1-2010q1-188-linux32.tar.gz" />
+      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.4.1-2010q1-188-linux32.tar.gz" />
+      <param name="dist_check_file" value="g++_arm_none_eabi" />
     </antcall>
 
     <!-- Unzip AVR tools -->
@@ -685,9 +685,9 @@
 
     <!-- Unzip ARM toolchain -->
     <antcall target="unzip-arm-toolchain">
-      <param name="dist_file" value="gcc-arm-none-eabi-4.7.4-2013q2-windows.tar.gz" />
-      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.7.4-2013q2-windows.tar.gz" />
-      <param name="dist_check_file" value="gcc-arm-none-eabi-4.7.4-2013q2" />
+      <param name="dist_file" value="gcc-arm-none-eabi-4.4.1-2010q1-188-win32.tar.gz" />
+      <param name="dist_url" value="http://arduino.googlecode.com/files/gcc-arm-none-eabi-4.4.1-2010q1-188-win32.tar.gz" />
+      <param name="dist_check_file" value="g++_arm_none_eabi" />
     </antcall>
 
     <delete includeEmptyDirs="true" quiet="true">
diff --git a/build/linux/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-linux32.tar.gz.sha b/build/linux/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-linux32.tar.gz.sha
new file mode 100644
index 000000000..29a002ad1
--- /dev/null
+++ b/build/linux/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-linux32.tar.gz.sha
@@ -0,0 +1 @@
+46a93ceec28772ac19c76ffc9b285a1eac4288a3
diff --git a/build/linux/dist/gcc-arm-none-eabi-4.7.4-2013q2-linux32.tar.gz.sha b/build/linux/dist/gcc-arm-none-eabi-4.7.4-2013q2-linux32.tar.gz.sha
deleted file mode 100644
index 0d4dce966..000000000
--- a/build/linux/dist/gcc-arm-none-eabi-4.7.4-2013q2-linux32.tar.gz.sha
+++ /dev/null
@@ -1 +0,0 @@
-b35a6b9b1066977509ad5dcf51936b7a6bb18c18
diff --git a/build/linux/dist/gcc-arm-none-eabi-4.7.4-2013q2-linux64.tar.gz.sha b/build/linux/dist/gcc-arm-none-eabi-4.7.4-2013q2-linux64.tar.gz.sha
deleted file mode 100644
index d88a6ac83..000000000
--- a/build/linux/dist/gcc-arm-none-eabi-4.7.4-2013q2-linux64.tar.gz.sha
+++ /dev/null
@@ -1 +0,0 @@
-14afebbb1a26b799237080ec32b300a409ff99cb
diff --git a/build/macosx/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-macos.tar.gz.sha b/build/macosx/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-macos.tar.gz.sha
new file mode 100644
index 000000000..3b951bb7f
--- /dev/null
+++ b/build/macosx/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-macos.tar.gz.sha
@@ -0,0 +1 @@
+14c554bb9aa9f0d0262a593e7452d33f4babc60d
diff --git a/build/macosx/dist/gcc-arm-none-eabi-4.7.4-2013q2-mac.tar.gz.sha b/build/macosx/dist/gcc-arm-none-eabi-4.7.4-2013q2-mac.tar.gz.sha
deleted file mode 100644
index a265218f9..000000000
--- a/build/macosx/dist/gcc-arm-none-eabi-4.7.4-2013q2-mac.tar.gz.sha
+++ /dev/null
@@ -1 +0,0 @@
-a1326c6258f91d9b318570bc619ca8a3b799d8bc
diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index 832c591ea..a01608bca 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -7,8 +7,6 @@ ARDUINO 1.5.3 BETA
 * Added support for new 1.5 Library format (https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5:-Library-specification)
 * Pass board type from boards.txt (https://github.com/arduino/Arduino/issues/308)
 * Display estimated RAM usage after compile (Loren M. Lang)
-* Updated arm gcc to 4.7.4 and simplified build.xml
-* ARM gcc doesn't require ia32-libs anymore on 64 bits linux systems
 * Import library menu is now scrollable
 * Scrollable menus can now be scrolled with the mouse wheel
 
diff --git a/build/windows/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-win32.tar.gz.sha b/build/windows/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-win32.tar.gz.sha
new file mode 100644
index 000000000..068b717e3
--- /dev/null
+++ b/build/windows/dist/gcc-arm-none-eabi-4.4.1-2010q1-188-win32.tar.gz.sha
@@ -0,0 +1 @@
+f288affa058bfdd44f8b93800fc4cb01b2ebf1e5
diff --git a/build/windows/dist/gcc-arm-none-eabi-4.7.4-2013q2-windows.tar.gz.sha b/build/windows/dist/gcc-arm-none-eabi-4.7.4-2013q2-windows.tar.gz.sha
deleted file mode 100644
index 0c66d28a8..000000000
--- a/build/windows/dist/gcc-arm-none-eabi-4.7.4-2013q2-windows.tar.gz.sha
+++ /dev/null
@@ -1 +0,0 @@
-c41fa509205b9ced43fc221b6a0cae4223a0842d
diff --git a/hardware/arduino/sam/platform.txt b/hardware/arduino/sam/platform.txt
index f71dda989..71bd742b1 100644
--- a/hardware/arduino/sam/platform.txt
+++ b/hardware/arduino/sam/platform.txt
@@ -10,7 +10,7 @@ version=1.5.3
 # SAM3 compile variables
 # ----------------------
 
-compiler.path={runtime.ide.path}/hardware/tools/gcc-arm-none-eabi-4.7.4-2013q2/bin/
+compiler.path={runtime.ide.path}/hardware/tools/g++_arm_none_eabi/bin/
 compiler.c.cmd=arm-none-eabi-gcc
 compiler.c.flags=-c -g -Os -w -ffunction-sections -fdata-sections -nostdlib --param max-inline-insns-single=500 -Dprintf=iprintf
 compiler.c.elf.cmd=arm-none-eabi-g++