diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index c95d4063105e74df7acd491558f399dff6a8e0a8..4b99e7f7fb6af3ca85d6dc642a4aea07e64c7049 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -58,8 +58,8 @@ set(COMMON_FLAGS
     -fPIC
     -fno-omit-frame-pointer
     -Wall
-#    -Wextra
-#    -Werror
+    -Wextra
+    -Werror
     -Wnon-virtual-dtor
     -Wdelete-non-virtual-dtor
     -Wno-unused-parameter