diff --git a/arch/arm/src/cmake/gcc.cmake b/arch/arm/src/cmake/gcc.cmake
index bd0796f8afd..1a441431440 100644
--- a/arch/arm/src/cmake/gcc.cmake
+++ b/arch/arm/src/cmake/gcc.cmake
@@ -66,9 +66,7 @@ execute_process(COMMAND ${CMAKE_C_COMPILER} --version
                 OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
 string(REGEX MATCH "\\+\\+.* ([0-9]+)\\.[0-9]+" GCC_VERSION_REGEX
              "${GCC_VERSION_OUTPUT}")
-set(GCCVER
-    ${CMAKE_MATCH_1}
-    PARENT_SCOPE)
+set(GCCVER ${CMAKE_MATCH_1})
 
 if(GCCVER EQUAL 12)
   add_compile_options(--param=min-pagesize=0)