diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b7f2b817..32f64e599 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,7 +59,6 @@ else()
     -Wdisabled-optimization
     $<$<COMPILE_LANGUAGE:CXX>:-Woverloaded-virtual>
     $<$<COMPILE_LANGUAGE:CXX>:-Wno-old-style-cast>
-    $<$<COMPILE_LANGUAGE:CXX>:-fpermissive>
   )
 endif()