diff --git a/specification/draft/apps.mdx b/specification/draft/apps.mdx
index daab4276..cee96f05 100644
--- a/specification/draft/apps.mdx
+++ b/specification/draft/apps.mdx
@@ -401,7 +401,7 @@ interface HostContext {
   /** Current color theme preference */
   theme?: "light" | "dark" | "system";
   /** How the UI is currently displayed */
-  displayMode?: "inline" | "fullscreen" | "pip" | "carousel";
+  displayMode?: "inline" | "fullscreen" | "pip";
   /** Display modes the host supports */
   availableDisplayModes?: string[];
   /** Current and maximum dimensions available to the UI */
diff --git a/src/types.ts b/src/types.ts
index 0ce8540d..c7864933 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -430,7 +430,7 @@ export interface McpUiHostContext {
    * How the UI is currently displayed.
    * @example "inline"
    */
-  displayMode?: "inline" | "fullscreen" | "pip" | "carousel";
+  displayMode?: "inline" | "fullscreen" | "pip";
   /**
    * Display modes the host supports.
    * Apps can use this to offer mode-switching UI if applicable.
@@ -502,7 +502,7 @@ export const McpUiHostContextSchema: z.ZodType<McpUiHostContext> = z.object({
     })
     .optional(),
   theme: z.enum(["light", "dark", "system"]).optional(),
-  displayMode: z.enum(["inline", "fullscreen", "pip", "carousel"]).optional(),
+  displayMode: z.enum(["inline", "fullscreen", "pip"]).optional(),
   availableDisplayModes: z.array(z.string()).optional(),
   viewport: z
     .object({