diff --git a/third_party/fuchsia/BUILD.gn b/third_party/fuchsia/BUILD.gn
index 298e96f..0730b99 100644
--- a/third_party/fuchsia/BUILD.gn
+++ b/third_party/fuchsia/BUILD.gn
@@ -32,17 +32,8 @@
   visibility = [ ":*" ]
 }
 
-# TODO(b/243045403): Fix this warning and remove the flag that disables it.
-config("disable_nested_anon_types") {
-  cflags = [ "-Wno-nested-anon-types" ]
-  visibility = [ ":*" ]
-}
-
 pw_source_set("fit") {
-  public_configs = [
-    ":fit_public_include_path",
-    ":disable_nested_anon_types",
-  ]
+  public_configs = [ ":fit_public_include_path" ]
   public_deps = [ ":stdcompat" ]
   public = [
     "repo/sdk/lib/fit/include/lib/fit/function.h",