diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6117e1bc5..9d387039c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -547,12 +547,6 @@ if (MSVC)
 else ()
   # HACK : because these need to come first, before any warning demotion
   string (APPEND CMAKE_CXX_FLAGS " -Wall -Wdeprecated")
-  if (is_clang OR (is_gcc AND NOT unity))
-    # gcc flags many more instances with `-Wshadow` than clang. Many incouous
-    # shadowings are flagged in unity mode. Only turn on gcc warnings in nonunity
-    # builds
-    string (APPEND CMAKE_CXX_FLAGS " -Wshadow")
-  endif()
   # not MSVC
   target_compile_options (common
     INTERFACE