diff --git a/packages/coding-agent/src/cli/plugin-cli.ts b/packages/coding-agent/src/cli/plugin-cli.ts
index 70fd75cd5..0256452e7 100644
--- a/packages/coding-agent/src/cli/plugin-cli.ts
+++ b/packages/coding-agent/src/cli/plugin-cli.ts
@@ -482,7 +482,7 @@ async function handleUninstall(
 		if (flags.dryRun) {
 			if (viaMarketplace) {
 				try {
-					await mktMgr.uninstallPlugin(name, { scope: flags.scope, dryRun: true });
+					await mktMgr.uninstallPlugin(name, flags.scope, { dryRun: true });
 				} catch (err) {
 					console.error(chalk.red(`${theme.status.error} Failed to uninstall ${name}: ${err}`));
 					process.exit(1);
@@ -508,7 +508,7 @@ async function handleUninstall(
 		if (viaMarketplace) {
 			// Exact match against installed marketplace plugin IDs (name@marketplace)
 			try {
-				await mktMgr.uninstallPlugin(name, { scope: flags.scope });
+				await mktMgr.uninstallPlugin(name, flags.scope);
 				console.log(chalk.green(`${theme.status.success} Uninstalled ${name}`));
 			} catch (err) {
 				console.error(chalk.red(`${theme.status.error} Failed to uninstall ${name}: ${err}`));
diff --git a/packages/coding-agent/src/extensibility/plugins/marketplace/manager.ts b/packages/coding-agent/src/extensibility/plugins/marketplace/manager.ts
index c6e6a85f0..79002fd8c 100644
--- a/packages/coding-agent/src/extensibility/plugins/marketplace/manager.ts
+++ b/packages/coding-agent/src/extensibility/plugins/marketplace/manager.ts
@@ -441,15 +441,13 @@ export class MarketplaceManager {
 	}
 
 	/** Validates and removes a marketplace plugin, or only validates when `dryRun` is set. */
-	async uninstallPlugin(pluginId: string, options?: { scope?: "user" | "project"; dryRun?: boolean }): Promise<void> {
+	async uninstallPlugin(pluginId: string, scope?: "user" | "project", options?: { dryRun?: boolean }): Promise<void> {
 		const parsed = parsePluginId(pluginId);
 		if (!parsed) {
 			throw new Error(`Invalid plugin ID format: "${pluginId}". Expected "name@marketplace".`);
 		}
 
-		const scope = options?.scope;
 		const { userEntries, projectEntries, userReg, projectReg } = await this.#findInBothRegistries(pluginId);
-
 		const inUser = userEntries && userEntries.length > 0;
 		const inProject = projectEntries && projectEntries.length > 0;
 
diff --git a/packages/coding-agent/src/modes/controllers/selector-controller.ts b/packages/coding-agent/src/modes/controllers/selector-controller.ts
index e89246de7..ff68a4979 100644
--- a/packages/coding-agent/src/modes/controllers/selector-controller.ts
+++ b/packages/coding-agent/src/modes/controllers/selector-controller.ts
@@ -1077,7 +1077,7 @@ export class SelectorController {
 						this.ctx.showStatus(`Uninstalling ${pluginId}...`);
 						this.ctx.ui.requestRender();
 						try {
-							await mgr.uninstallPlugin(pluginId, { scope });
+							await mgr.uninstallPlugin(pluginId, scope);
 							this.ctx.showStatus(`Uninstalled ${pluginId}`);
 						} catch (err) {
 							this.ctx.showStatus(`Uninstall failed: ${err}`);
diff --git a/packages/coding-agent/src/slash-commands/builtin-marketplace.ts b/packages/coding-agent/src/slash-commands/builtin-marketplace.ts
index a61b19752..260697819 100644
--- a/packages/coding-agent/src/slash-commands/builtin-marketplace.ts
+++ b/packages/coding-agent/src/slash-commands/builtin-marketplace.ts
@@ -182,7 +182,7 @@ export const BUILTIN_MARKETPLACE_SLASH_COMMANDS: ReadonlyArray<SlashCommandSpec>
 							"Usage: /marketplace uninstall [--scope user|project] <name@marketplace>",
 						);
 						if ("error" in parsed) return usage(parsed.error, runtime);
-						await manager.uninstallPlugin(parsed.pluginId, { scope: parsed.scope });
+						await manager.uninstallPlugin(parsed.pluginId, parsed.scope);
 						await runtime.reloadPlugins();
 						await runtime.output(`Uninstalled ${parsed.pluginId}`);
 						return commandConsumed();
@@ -337,7 +337,7 @@ export const BUILTIN_MARKETPLACE_SLASH_COMMANDS: ReadonlyArray<SlashCommandSpec>
 							runtime.ctx.showStatus(uninstArgs.error);
 							return;
 						}
-						await mgr.uninstallPlugin(uninstArgs.pluginId, { scope: uninstArgs.scope });
+						await mgr.uninstallPlugin(uninstArgs.pluginId, uninstArgs.scope);
 						runtime.ctx.showStatus(`Uninstalled ${uninstArgs.pluginId}`);
 						break;
 					}
diff --git a/packages/coding-agent/test/marketplace/manager.test.ts b/packages/coding-agent/test/marketplace/manager.test.ts
index 507552404..b0f672409 100644
--- a/packages/coding-agent/test/marketplace/manager.test.ts
+++ b/packages/coding-agent/test/marketplace/manager.test.ts
@@ -721,10 +721,10 @@ describe("MarketplaceManager", () => {
 		await ctx.manager.installPlugin("hello-plugin", "test-marketplace", { scope: "user" });
 		await ctx.manager.installPlugin("hello-plugin", "test-marketplace", { scope: "project" });
 
-		await expect(ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", { dryRun: true })).rejects.toThrow(
-			/both user and project scope/,
-		);
-		await ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", { scope: "user", dryRun: true });
+		await expect(
+			ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", undefined, { dryRun: true }),
+		).rejects.toThrow(/both user and project scope/);
+		await ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", "user", { dryRun: true });
 
 		const userReg = await readInstalledPluginsRegistry(path.join(ctx.tmpDir, "installed_plugins.json"));
 		const projectReg = await readInstalledPluginsRegistry(path.join(ctx.tmpDir, "project_installed_plugins.json"));
@@ -737,7 +737,7 @@ describe("MarketplaceManager", () => {
 		await ctx.manager.installPlugin("hello-plugin", "test-marketplace", { scope: "project" });
 
 		await expect(
-			ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", { scope: "user", dryRun: true }),
+			ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", "user", { dryRun: true }),
 		).rejects.toThrow(/not installed in user scope/);
 
 		const projectReg = await readInstalledPluginsRegistry(path.join(ctx.tmpDir, "project_installed_plugins.json"));
@@ -749,7 +749,7 @@ describe("MarketplaceManager", () => {
 		await ctx.manager.installPlugin("hello-plugin", "test-marketplace", { scope: "user" });
 		await ctx.manager.installPlugin("hello-plugin", "test-marketplace", { scope: "project" });
 
-		await ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", { scope: "user" });
+		await ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", "user");
 
 		const userReg = await readInstalledPluginsRegistry(path.join(ctx.tmpDir, "installed_plugins.json"));
 		expect(userReg.plugins["hello-plugin@test-marketplace"]).toBeUndefined();
@@ -767,7 +767,7 @@ describe("MarketplaceManager", () => {
 		// Same plugin+version → same cache path for the project-scope install.
 		await ctx.manager.installPlugin("hello-plugin", "test-marketplace", { scope: "project" });
 
-		await ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", { scope: "user" });
+		await ctx.manager.uninstallPlugin("hello-plugin@test-marketplace", "user");
 
 		// Cache must still exist — project scope still references it.
 		expect(fs.existsSync(userEntry.installPath)).toBe(true);
diff --git a/packages/coding-agent/test/plugin-uninstall-dry-run.test.ts b/packages/coding-agent/test/plugin-uninstall-dry-run.test.ts
index 08324d3e6..e454a76d0 100644
--- a/packages/coding-agent/test/plugin-uninstall-dry-run.test.ts
+++ b/packages/coding-agent/test/plugin-uninstall-dry-run.test.ts
@@ -60,7 +60,7 @@ describe("runPluginCommand({ action: 'uninstall', flags: { dryRun } })", () => {
 		try {
 			await runPluginCommand({ action: "uninstall", args: ["hello@local"], flags: { dryRun: true, json: true } });
 			expect(mktUninstall).toHaveBeenCalledTimes(1);
-			expect(mktUninstall.mock.calls[0]).toEqual(["hello@local", { scope: undefined, dryRun: true }]);
+			expect(mktUninstall.mock.calls[0]).toEqual(["hello@local", undefined, { dryRun: true }]);
 			expect(npmUninstall).not.toHaveBeenCalled();
 		} finally {
 			npmUninstall.mockRestore();