diff --git a/scripts/gulp/tasks/build.ts b/scripts/gulp/tasks/build.ts
index 3d653d22e0..2b3350a1b1 100644
--- a/scripts/gulp/tasks/build.ts
+++ b/scripts/gulp/tasks/build.ts
@@ -17,7 +17,6 @@ export function buildIonicAngularCommonJs(excludeSpec: boolean, done: Function)
       copySwiperToPath(`${DIST_BUILD_COMMONJS_ROOT}/components/slides`, COMMONJS_MODULE);
       // clean up any .ts files that remain as well as ngc metadata
       deleteFiles([`${DIST_BUILD_COMMONJS_ROOT}/**/*.ts`,
-                  `${DIST_BUILD_COMMONJS_ROOT}/**/*metadata.json`,
                   `${DIST_BUILD_COMMONJS_ROOT}/node_modules`,
                   `${DIST_BUILD_COMMONJS_ROOT}/tsconfig.json`,
                   `!${DIST_BUILD_COMMONJS_ROOT}/**/*.d.ts`], done);
@@ -38,7 +37,6 @@ export function buildIonicAngularEsm(done: Function) {
       copySwiperToPath(`${DIST_BUILD_ROOT}/components/slides`, ES_MODULE);
       // clean up any .ts files that remain as well as ngc metadata
       deleteFiles([`${DIST_BUILD_ROOT}/**/*.ts`,
-                  `${DIST_BUILD_ROOT}/**/*metadata.json`,
                   `${DIST_BUILD_ROOT}/node_modules`,
                   `${DIST_BUILD_ROOT}/tsconfig.json`,
                   `!${DIST_BUILD_ROOT}/**/*.d.ts`], done);