diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index 1a6cd663f86..9b534c5a516 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -37,7 +37,7 @@ if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
 endif()
 
 if(DBG)
-    add_compile_flags_language("-Wold-style-declaration -Wdeclaration-after-statement -Wshadow" "C")
+    add_compile_flags_language("-Wold-style-declaration -Wdeclaration-after-statement" "C")
 endif()
 add_compile_flags_language("-fno-rtti -fno-exceptions" "CXX")