diff --git a/cmake/toolchains/Toolchain-arm-none-eabi.cmake b/cmake/toolchains/Toolchain-arm-none-eabi.cmake
index eb4e77ec86..07727b2f2d 100644
--- a/cmake/toolchains/Toolchain-arm-none-eabi.cmake
+++ b/cmake/toolchains/Toolchain-arm-none-eabi.cmake
@@ -55,11 +55,11 @@ endforeach()
 
 set(cpu_flags)
 if (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m7")
-	set(cpu_flags "-mcpu=cortex-m7 -mthumb -march=armv7e-m -mfpu=fpv5-d16 -mfloat-abi=hard")
+	set(cpu_flags "-mcpu=cortex-m7 -mthumb -mfpu=fpv5-d16 -mfloat-abi=hard")
 elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m4")
-	set(cpu_flags "-mcpu=cortex-m4 -mthumb -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard")
+	set(cpu_flags "-mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard")
 elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m3")
-	set(cpu_flags "-mcpu=cortex-m3 -mthumb -march=armv7-m")
+	set(cpu_flags "-mcpu=cortex-m3 -mthumb")
 else ()
 	message(FATAL_ERROR "Processor not recognised in toolchain file")
 endif()