diff --git a/src/plugins/bundle-mcp.test.ts b/src/plugins/bundle-mcp.test.ts
index 23b4d9e859d..054ac5ffd20 100644
--- a/src/plugins/bundle-mcp.test.ts
+++ b/src/plugins/bundle-mcp.test.ts
@@ -244,7 +244,7 @@ describe("loadEnabledBundleMcpConfig", () => {
           cfg: createEnabledBundleConfig(["malformed-mcp"]),
         });
 
-        expect(loaded.config.mcpServers).toEqual({});
+        expect(loaded.config.mcpServers).toStrictEqual({});
         expect(loaded.diagnostics).toEqual([
           expect.objectContaining({
             pluginId: "malformed-mcp",
@@ -275,7 +275,7 @@ describe("loadEnabledBundleMcpConfig", () => {
           cfg: createEnabledBundleConfig(["malformed-lsp"]),
         });
 
-        expect(loaded.config.lspServers).toEqual({});
+        expect(loaded.config.lspServers).toStrictEqual({});
         expect(loaded.diagnostics).toEqual([
           expect.objectContaining({
             pluginId: "malformed-lsp",
diff --git a/src/plugins/commands.test.ts b/src/plugins/commands.test.ts
index c32459ebf74..8bd8d0ed0a7 100644
--- a/src/plugins/commands.test.ts
+++ b/src/plugins/commands.test.ts
@@ -1063,7 +1063,7 @@ describe("registerPluginCommand", () => {
       config: {} as never,
     });
 
-    expect(result).toEqual({});
+    expect(result).toStrictEqual({});
   });
 
   it("passes the effective default account to plugin command handlers when accountId is omitted", async () => {
diff --git a/src/plugins/installed-plugin-index-records.test.ts b/src/plugins/installed-plugin-index-records.test.ts
index 89d1ed23a0a..afc2bf84a8a 100644
--- a/src/plugins/installed-plugin-index-records.test.ts
+++ b/src/plugins/installed-plugin-index-records.test.ts
@@ -353,7 +353,7 @@ describe("plugin index install records store", () => {
       loadInstalledPluginIndexInstallRecordsSync({
         stateDir,
       }),
-    ).toEqual({});
+    ).toStrictEqual({});
   });
 
   it("updates and removes records without mutating caller state", () => {
@@ -418,6 +418,6 @@ describe("plugin index install records store", () => {
       loadInstalledPluginIndexInstallRecords({
         stateDir,
       }),
-    ).resolves.toEqual({});
+    ).resolves.toStrictEqual({});
   });
 });