diff --git a/workspace_tools/export/gcc_arm_efm32gg_stk3700.tmpl b/workspace_tools/export/gcc_arm_efm32gg_stk3700.tmpl
index 7973f2716d..5a3920aabe 100644
--- a/workspace_tools/export/gcc_arm_efm32gg_stk3700.tmpl
+++ b/workspace_tools/export/gcc_arm_efm32gg_stk3700.tmpl
@@ -23,7 +23,7 @@ OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
 SIZE 	= $(GCC_BIN)arm-none-eabi-size
 
 CPU = -mcpu=cortex-m3 -mthumb
-CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections
+CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections -fno-common -fomit-frame-pointer
 CC_FLAGS += -MMD -MP
 
 ifeq ($(DEBUG), 1)
diff --git a/workspace_tools/export/gcc_arm_efm32hg_stk3400.tmpl b/workspace_tools/export/gcc_arm_efm32hg_stk3400.tmpl
index c15810f75c..b45dc6469e 100644
--- a/workspace_tools/export/gcc_arm_efm32hg_stk3400.tmpl
+++ b/workspace_tools/export/gcc_arm_efm32hg_stk3400.tmpl
@@ -23,7 +23,7 @@ OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
 SIZE 	= $(GCC_BIN)arm-none-eabi-size
 
 CPU = -mcpu=cortex-m0plus -mthumb
-CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections
+CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections -fno-common -fomit-frame-pointer
 CC_FLAGS += -MMD -MP
 
 ifeq ($(DEBUG), 1)
diff --git a/workspace_tools/export/gcc_arm_efm32lg_stk3600.tmpl b/workspace_tools/export/gcc_arm_efm32lg_stk3600.tmpl
index 7973f2716d..5a3920aabe 100644
--- a/workspace_tools/export/gcc_arm_efm32lg_stk3600.tmpl
+++ b/workspace_tools/export/gcc_arm_efm32lg_stk3600.tmpl
@@ -23,7 +23,7 @@ OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
 SIZE 	= $(GCC_BIN)arm-none-eabi-size
 
 CPU = -mcpu=cortex-m3 -mthumb
-CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections
+CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections -fno-common -fomit-frame-pointer
 CC_FLAGS += -MMD -MP
 
 ifeq ($(DEBUG), 1)
diff --git a/workspace_tools/export/gcc_arm_efm32wg_stk3800.tmpl b/workspace_tools/export/gcc_arm_efm32wg_stk3800.tmpl
index 7973f2716d..5a3920aabe 100644
--- a/workspace_tools/export/gcc_arm_efm32wg_stk3800.tmpl
+++ b/workspace_tools/export/gcc_arm_efm32wg_stk3800.tmpl
@@ -23,7 +23,7 @@ OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
 SIZE 	= $(GCC_BIN)arm-none-eabi-size
 
 CPU = -mcpu=cortex-m3 -mthumb
-CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections
+CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections -fno-common -fomit-frame-pointer
 CC_FLAGS += -MMD -MP
 
 ifeq ($(DEBUG), 1)
diff --git a/workspace_tools/export/gcc_arm_efm32zg_stk3200.tmpl b/workspace_tools/export/gcc_arm_efm32zg_stk3200.tmpl
index c15810f75c..b45dc6469e 100644
--- a/workspace_tools/export/gcc_arm_efm32zg_stk3200.tmpl
+++ b/workspace_tools/export/gcc_arm_efm32zg_stk3200.tmpl
@@ -23,7 +23,7 @@ OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
 SIZE 	= $(GCC_BIN)arm-none-eabi-size
 
 CPU = -mcpu=cortex-m0plus -mthumb
-CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections
+CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections -fno-common -fomit-frame-pointer
 CC_FLAGS += -MMD -MP
 
 ifeq ($(DEBUG), 1)
diff --git a/workspace_tools/export/simplicityv3_slsproj.tmpl b/workspace_tools/export/simplicityv3_slsproj.tmpl
index 0e3109a157..ac4d35519f 100644
--- a/workspace_tools/export/simplicityv3_slsproj.tmpl
+++ b/workspace_tools/export/simplicityv3_slsproj.tmpl
@@ -62,8 +62,10 @@
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.c.linker.base" optionId="gnu.c.link.option.ldflags" value="-Wl,--wrap=main"/>
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.linker.base" optionId="gnu.cpp.link.option.flags" value="-Wl,--wrap=main"/>
 {# For debug build, don't apply optimizations #}
+    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.c.compiler.base" optionId="gnu.c.compiler.option.optimization.level" value="gnu.c.optimization.level.none"/>
+    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.c.compiler.base" optionId="gnu.c.compiler.option.misc.other" value="-c -fmessage-length=0 -fno-rtti -fno-exceptions -fno-common -fomit-frame-pointer"/>
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="gnu.cpp.compiler.option.optimization.level" value="gnu.cpp.compiler.optimization.level.none"/>
-    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0 -fno-rtti"/>
+    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0 -fno-rtti -fno-exceptions -fno-common -fomit-frame-pointer"/>
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.misc.dialect" value="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.misc.dialect.default"/>
   </configuration>
   <configuration name="com.silabs.ide.si32.gcc.release#com.silabs.ide.si32.gcc:4.8.3.20131129" label="GNU ARM v4.8.3 - Release" stockConfigCompatibility="com.silabs.ide.toolchain.core.release">
@@ -105,8 +107,10 @@
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.c.linker.base" optionId="gnu.c.link.option.ldflags" value="-Wl,--wrap=main"/>
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.linker.base" optionId="gnu.cpp.link.option.flags" value="-Wl,--wrap=main"/>
 {# Use optimize for size on release build #}
+    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.c.compiler.base" optionId="gnu.c.compiler.option.optimization.level" value="gnu.c.optimization.level.size"/>
+    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.c.compiler.base" optionId="gnu.c.compiler.option.misc.other" value="-c -fmessage-length=0 -fno-rtti -fno-exceptions -fno-common -fomit-frame-pointer"/>
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="gnu.cpp.compiler.option.optimization.level" value="gnu.cpp.compiler.optimization.level.size"/>
-    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0 -fno-rtti"/>
+    <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0 -fno-rtti -fno-exceptions -fno-common -fomit-frame-pointer"/>
     <toolOption toolId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.base" optionId="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.misc.dialect" value="com.silabs.ide.si32.gcc.cdt.managedbuild.tool.gnu.cpp.compiler.misc.dialect.default"/>
   </configuration>
 </project>