diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2060b3997d5..427457019b1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,7 @@ add_custom_target(check-style
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-warning-option -Wall -Wextra -Werror -Wmissing-declarations -std=c++2a -fdiagnostics-color=always")
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconcepts -Wmismatched-tags")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconcepts")
 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-overloaded-virtual")
 endif()