diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b5c2d9bfcb88..4062dab2e841 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -600,7 +600,7 @@ if(NOT CUSTOM_CFLAGS)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MARCH} ${DT_REQ_INSTRUCTIONS} -g -Wfatal-errors -std=c11")
   set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -O2 -ftree-vectorize")
   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -ffast-math -fno-finite-math-only")
-  set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall -Werror -Wuninitialized")
+  set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Werror -Wuninitialized")
   if(CMAKE_COMPILER_IS_GNUCC)
     if(BUILD_SSE2_CODEPATHS)
       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse")