diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24fd87e..974064c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -382,7 +382,7 @@ else()
     usFunctionCheckCompilerFlags(-fstack-protector-all US_CXX_FLAGS)
   endif()
 
-  foreach(_cxxflag  -Werror -Wall -Wextra -Wpointer-arith -Winvalid-pch -Wcast-align
+  foreach(_cxxflag  -Wall -Wextra -Wpointer-arith -Winvalid-pch -Wcast-align
                     -Wwrite-strings -Woverloaded-virtual -Wnon-virtual-dtor -Wold-style-cast
                     -Wstrict-null-sentinel -Wsign-promo -fdiagnostics-show-option )
     usFunctionCheckCompilerFlags(${_cxxflag} US_CXX_FLAGS)