diff --git a/packages/angular_devkit/build_angular/src/tools/esbuild/bundler-context.ts b/packages/angular_devkit/build_angular/src/tools/esbuild/bundler-context.ts
index bc7484c48e74..454778cebae5 100644
--- a/packages/angular_devkit/build_angular/src/tools/esbuild/bundler-context.ts
+++ b/packages/angular_devkit/build_angular/src/tools/esbuild/bundler-context.ts
@@ -234,10 +234,12 @@ export class BundlerContext {
       if (this.incremental) {
         // When incremental always add any files from the load result cache
         if (this.#loadCache) {
-          this.#loadCache.watchFiles
-            .filter((file) => !isInternalAngularFile(file))
-            // watch files are fully resolved paths
-            .forEach((file) => this.watchFiles.add(file));
+          for (const file of this.#loadCache.watchFiles) {
+            if (!isInternalAngularFile(file)) {
+              // watch files are fully resolved paths
+              this.watchFiles.add(file);
+            }
+          }
         }
       }
     }
@@ -247,10 +249,12 @@ export class BundlerContext {
     // currently enabled with watch mode where watch files are needed.
     if (this.incremental) {
       // Add input files except virtual angular files which do not exist on disk
-      Object.keys(result.metafile.inputs)
-        .filter((input) => !isInternalAngularFile(input))
-        // input file paths are always relative to the workspace root
-        .forEach((input) => this.watchFiles.add(join(this.workspaceRoot, input)));
+      for (const input of Object.keys(result.metafile.inputs)) {
+        if (!isInternalAngularFile(input)) {
+          // input file paths are always relative to the workspace root
+          this.watchFiles.add(join(this.workspaceRoot, input));
+        }
+      }
     }
 
     // Return if the build encountered any errors