diff --git a/base/BUILD.gn b/base/BUILD.gn
index 5cd94cd80f9fdeb5997b5fab2c0884f4fed6c150..62c09fd3bd9d6e3ff641fd038ee6ccc53c9a2b20 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -37,9 +37,6 @@ config("utils_config") {
   if (current_os == "mac") {
       defines += [ "MAC_PLATFORM" ]
   }
-  if (is_emulator == true) {
-    defines += [ "EMULATOR_PLATFORM" ]
-  }
   if (current_os == "ohos") {
     defines += [ "OHOS_PLATFORM" ]
   }