diff --git a/steps/05-configure.sh b/steps/05-configure.sh
index 0e6f1371..778bf1ba 100755
--- a/steps/05-configure.sh
+++ b/steps/05-configure.sh
@@ -38,11 +38,9 @@ mkdir -p "$BUILD"
       echo "clang_use_chrome_plugins = false"
       ;;
     linux)
-      echo 'use_allocator_shim = false'
       echo "clang_use_chrome_plugins = false"
       ;;
     mac)
-      echo 'use_allocator_shim = false'
       echo 'mac_deployment_target = "10.13.0"'
       echo "clang_use_chrome_plugins = false"
       ;;