diff --git a/bench/rollup_config_benchmarks.ts b/bench/rollup_config_benchmarks.ts
index 3b573b8edef..575ff085164 100644
--- a/bench/rollup_config_benchmarks.ts
+++ b/bench/rollup_config_benchmarks.ts
@@ -67,11 +67,7 @@ const viewConfig: RollupOptions = {
         sourcemap: false
     },
     plugins: [
-        resolve({
-            browser: true,
-            preferBuiltins: false,
-            extensions: ['.mjs', '.js', '.json', '.node', '.ts']
-        }),
+        resolve({browser: true, preferBuiltins: false}),
         watch ? typescript() : null,
         commonjs(),
         replace(replaceConfig)
diff --git a/rollup.config.style-spec.ts b/rollup.config.style-spec.ts
index a5bd0f648ae..91529bb159c 100644
--- a/rollup.config.style-spec.ts
+++ b/rollup.config.style-spec.ts
@@ -49,8 +49,7 @@ const config: RollupOptions[] = [{
         unassert(),
         resolve({
             browser: true,
-            preferBuiltins: false,
-            extensions: ['.mjs', '.js', '.json', '.node', '.ts']
+            preferBuiltins: false
         }),
         commonjs()
     ]