diff --git a/lib/datasource/node/index.ts b/lib/datasource/node/index.ts
index 62daa1bd8928c61f22f1daa21ad249207874ce56..163e5d0615ccffede202c0f66a6229852b9f93d2 100644
--- a/lib/datasource/node/index.ts
+++ b/lib/datasource/node/index.ts
@@ -28,6 +28,10 @@ export class NodeDatasource extends Datasource {
   async getReleases({
     registryUrl,
   }: GetReleasesConfig): Promise<ReleaseResult | null> {
+    // istanbul ignore if
+    if (!registryUrl) {
+      return null;
+    }
     const result: ReleaseResult = {
       homepage: 'https://nodejs.org',
       sourceUrl: 'https://github.com/nodejs/node',
diff --git a/tsconfig.strict.json b/tsconfig.strict.json
index 8d6d68893c1db273e8bed5bf1c22f65ea5b70370..b7bbf3976158ab2491ec67439741616c1125c826 100644
--- a/tsconfig.strict.json
+++ b/tsconfig.strict.json
@@ -111,7 +111,6 @@
     "lib/datasource/helm/index.ts",
     "lib/datasource/index.ts",
     "lib/datasource/jenkins-plugins/index.ts",
-    "lib/datasource/node/index.ts",
     "lib/datasource/npm/get.ts",
     "lib/datasource/npm/index.ts",
     "lib/datasource/npm/npmrc.ts",