diff --git a/src/plugins/update.test.ts b/src/plugins/update.test.ts
index 9e45c9d80a40..b1b8dac58327 100644
--- a/src/plugins/update.test.ts
+++ b/src/plugins/update.test.ts
@@ -2374,10 +2374,7 @@ describe("updateNpmInstalledPlugins", () => {
     });
     expect(result.config.plugins?.allow).toEqual(["lossless-claw", "keep"]);
     expect(result.config.plugins?.deny).toEqual(["lossless-claw", "blocked"]);
-    expect(result.config.plugins?.slots).toEqual({
-      memory: "memory-core",
-      contextEngine: "legacy",
-    });
+    expect(result.config.plugins?.slots).toBeUndefined();
     expect(result.outcomes).toEqual([
       {
         pluginId: "lossless-claw",
@@ -3002,10 +2999,7 @@ describe("updateNpmInstalledPlugins", () => {
     });
     expect(result.config.plugins?.allow).toEqual(["demo", "other"]);
     expect(result.config.plugins?.deny).toEqual(["blocked"]);
-    expect(result.config.plugins?.slots).toEqual({
-      memory: "memory-core",
-      contextEngine: "legacy",
-    });
+    expect(result.config.plugins?.slots).toBeUndefined();
     expect(result.config.plugins?.installs?.demo).toEqual(config.plugins.installs.demo);
     expect(result.outcomes).toEqual([
       {
@@ -3173,9 +3167,7 @@ describe("updateNpmInstalledPlugins", () => {
       config: { preserved: true },
     });
     expect(result.config.plugins?.allow).toEqual(["demo"]);
-    expect(result.config.plugins?.slots).toEqual({
-      memory: "memory-core",
-    });
+    expect(result.config.plugins?.slots).toBeUndefined();
     const message =
       'Disabled "demo" after plugin update failure; OpenClaw will continue without it. Failed to update demo: ClawHub blocked this release; update was not started. (ClawHub clawhub:demo).';
     expect(warn).toHaveBeenCalledWith(message);