diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7757916..14d12d0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -242,8 +242,6 @@ else()
     if (NOT RELEASE_BUILD)
         # -Werror is most useful during development, don't potentially break
         # release builds
-        set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Werror")
-        set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Werror")
     endif()
 
     if (DISABLE_ASSERTS)