diff --git a/adev-ja/src/content/reference/concepts/overview.md b/adev-ja/src/content/reference/concepts/overview.md
deleted file mode 100644
index 3dea7294d8..0000000000
--- a/adev-ja/src/content/reference/concepts/overview.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# Concepts
-
-<docs-card-container>
-  <docs-card title="NgModules" link="Learn more" href="guide/ngmodules">
-    NgModules is a concept that commonly used in architecture v16 and earlier to help configure the injector and the compiler and help organize related things together.
-  </docs-card>
-</docs-card-container>
diff --git a/tools/update-origin.ts b/tools/update-origin.ts
index 0d31905bdd..1d27ddea9e 100644
--- a/tools/update-origin.ts
+++ b/tools/update-origin.ts
@@ -14,6 +14,7 @@ const localizedFilePatterns: Array<string | readonly string[]> = [
     '!src/content/kitchen-sink.md',
     '!src/content/examples/**/readme.md',
     '!src/content/tutorials/README.md',
+    '!src/content/reference/concepts/overview.md',
   ],
   // Tutorial config files
   'src/content/tutorials/**/config.json',