diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05de4afb..cb45a119 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,6 +58,9 @@ if(MSVC)
   target_compile_options(simdjson-flags INTERFACE /WX /W3)
 else()
   target_compile_options(simdjson-flags INTERFACE -fPIC)
+  if(NOT SIMDJSON_GOOGLE_BENCHMARKS) # Google Benchmark can't be compiled without warnings with -Weffc++
+    target_compile_options(simdjson-flags INTERFACE -Weffc++)
+  endif()
   target_compile_options(simdjson-flags INTERFACE -Werror -Wall -Wextra -Wsign-compare -Wshadow -Wwrite-strings -Wpointer-arith -Winit-self -Wconversion -Wno-sign-conversion)
 endif()
 
diff --git a/include/simdjson/common_defs.h b/include/simdjson/common_defs.h
index e461b3e9..5e6e2bf9 100644
--- a/include/simdjson/common_defs.h
+++ b/include/simdjson/common_defs.h
@@ -104,6 +104,7 @@ constexpr size_t DEFAULT_MAX_DEPTH = 1024;
   #define SIMDJSON_PUSH_DISABLE_WARNINGS _Pragma("GCC diagnostic push")
   // gcc doesn't seem to disable all warnings with all and extra, add warnings here as necessary
   #define SIMDJSON_PUSH_DISABLE_ALL_WARNINGS SIMDJSON_PUSH_DISABLE_WARNINGS \
+    SIMDJSON_DISABLE_GCC_WARNING(-Weffc++) \
     SIMDJSON_DISABLE_GCC_WARNING(-Wall) \
     SIMDJSON_DISABLE_GCC_WARNING(-Wconversion) \
     SIMDJSON_DISABLE_GCC_WARNING(-Wextra) \