diff --git a/src/cli.ts b/src/cli.ts
index 5dc861c..809d6d4 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -3,7 +3,7 @@ export * from "./cli/init.js";
 export * from "./cli/pack.js";
 
 // Include all shared exports
-export * from "./schemas/latest.js";
+export * from "./schemas/0.3.js";
 export * from "./shared/config.js";
 export * from "./shared/constants.js";
 export * from "./types.js";
diff --git a/src/index.ts b/src/index.ts
index 62ada47..114e50d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,7 +5,7 @@ export * from "./cli/unpack.js";
 export * from "./node/files.js";
 export * from "./node/sign.js";
 export * from "./node/validate.js";
-export * from "./schemas/latest.js";
+export * from "./schemas/0.3.js";
 export * from "./shared/config.js";
 export * from "./shared/constants.js";
 export * from "./types.js";
diff --git a/src/node.ts b/src/node.ts
index 12a7edb..10aa2b5 100644
--- a/src/node.ts
+++ b/src/node.ts
@@ -4,7 +4,7 @@ export * from "./node/sign.js";
 export * from "./node/validate.js";
 
 // Include all shared exports
-export * from "./schemas/latest.js";
+export * from "./schemas/0.3.js";
 export * from "./shared/config.js";
 export * from "./shared/constants.js";
 export * from "./types.js";
diff --git a/src/schemas/index.ts b/src/schemas/index.ts
index 70a8e32..897b95b 100644
--- a/src/schemas/index.ts
+++ b/src/schemas/index.ts
@@ -6,12 +6,6 @@ export * as v0_1 from "./0.1.js";
 export * as v0_2 from "./0.2.js";
 export * as v0_3 from "./0.3.js";
 export * as vAny from "./any.js";
-export * as vLatest from "./latest.js";
-export {
-  MANIFEST_VERSION as LATEST_MANIFEST_VERSION,
-  McpbManifestSchema as LatestMcpbManifestSchema,
-  McpbManifestSchema, // backwards compatibility - exports latest schema
-} from "./latest.js";
 
 /**
  * Map of manifest versions to their strict schemas
diff --git a/src/schemas/latest.ts b/src/schemas/latest.ts
deleted file mode 100644
index e79a613..0000000
--- a/src/schemas/latest.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from "./0.3.js";
diff --git a/src/schemas_loose/index.ts b/src/schemas_loose/index.ts
index 3548b1d..f84f84c 100644
--- a/src/schemas_loose/index.ts
+++ b/src/schemas_loose/index.ts
@@ -1,4 +1,3 @@
 export * as v0_1 from "./0.1.js";
 export * as v0_2 from "./0.2.js";
 export * as v0_3 from "./0.3.js";
-export * as latest from "./latest.js";
diff --git a/src/schemas_loose/latest.ts b/src/schemas_loose/latest.ts
deleted file mode 100644
index e79a613..0000000
--- a/src/schemas_loose/latest.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from "./0.3.js";
diff --git a/src/shared/constants.ts b/src/shared/constants.ts
index 6d16f5d..b39e27c 100644
--- a/src/shared/constants.ts
+++ b/src/shared/constants.ts
@@ -1,17 +1,9 @@
 import { McpbManifestSchema as ManifestSchemaV0_1 } from "../schemas/0.1.js";
 import { McpbManifestSchema as ManifestSchemaV0_2 } from "../schemas/0.2.js";
 import { McpbManifestSchema as ManifestSchemaV0_3 } from "../schemas/0.3.js";
-import { McpbManifestSchema as CurrentManifestSchema } from "../schemas/latest.js";
 import { McpbManifestSchema as LooseManifestSchemaV0_1 } from "../schemas_loose/0.1.js";
 import { McpbManifestSchema as LooseManifestSchemaV0_2 } from "../schemas_loose/0.2.js";
 import { McpbManifestSchema as LooseManifestSchemaV0_3 } from "../schemas_loose/0.3.js";
-import { McpbManifestSchema as CurrentLooseManifestSchema } from "../schemas_loose/latest.js";
-
-/**
- * Latest manifest version - the version that new manifests should use
- * @deprecated
- */
-export const LATEST_MANIFEST_VERSION = "0.3" as const;
 
 /**
  * Default manifest version for new packages
@@ -35,15 +27,3 @@ export const MANIFEST_SCHEMAS_LOOSE = {
   "0.2": LooseManifestSchemaV0_2,
   "0.3": LooseManifestSchemaV0_3,
 } as const;
-
-/**
- * Get the latest manifest schema based on LATEST_MANIFEST_VERSION
- * @deprecated
- */
-export const LATEST_MANIFEST_SCHEMA = CurrentManifestSchema;
-
-/**
- * Get the latest loose manifest schema based on LATEST_MANIFEST_VERSION
- * @deprecated
- */
-export const LATEST_MANIFEST_SCHEMA_LOOSE = CurrentLooseManifestSchema;
diff --git a/src/types.ts b/src/types.ts
index f8b7966..6ca81ff 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -8,14 +8,13 @@ import type {
   McpbManifestPlatformOverrideSchema,
   McpbManifestPromptSchema,
   McpbManifestRepositorySchema,
-  McpbManifestSchema,
   McpbManifestServerSchema,
   McpbManifestToolSchema,
   McpbSignatureInfoSchema,
   McpbUserConfigurationOptionSchema,
   McpbUserConfigValuesSchema,
   McpServerConfigSchema,
-} from "./schemas/latest.js";
+} from "./schemas/0.3.js";
 
 export type McpServerConfig = z.infer<typeof McpServerConfigSchema>;
 
@@ -47,22 +46,16 @@ export type McpbUserConfigurationOption = z.infer<
 
 export type McpbUserConfigValues = z.infer<typeof McpbUserConfigValuesSchema>;
 
-/**
- * McpbManifest type for the latest manifest version only
- * Use this when you specifically need the latest version.
- */
-export type McpbManifestLatest = z.infer<typeof McpbManifestSchema>;
-
-/**
- * Alias for McpbManifestLatest for backwards compatibility.
- */
-export type McpbManifest = McpbManifestLatest;
-
 /**
  * McpbManifest type representing the union of all manifest versions
  */
 export type McpbManifestAny = z.infer<typeof McpbManifestSchemaAny>;
 
+/**
+ * @deprecated Use McpbManifestAny instead to support all manifest versions.
+ */
+export type McpbManifest = McpbManifestAny;
+
 /**
  * Information about a MCPB package signature
  */
diff --git a/test/schemas.test.ts b/test/schemas.test.ts
index 70f181f..6dab726 100644
--- a/test/schemas.test.ts
+++ b/test/schemas.test.ts
@@ -1,7 +1,7 @@
 import { readFileSync } from "fs";
 import { join } from "path";
 
-import { McpbManifestSchema, v0_2, v0_3 } from "../src/schemas/index.js";
+import { v0_2, v0_3 } from "../src/schemas/index.js";
 
 describe("McpbManifestSchema", () => {
   it("should validate a valid manifest", () => {
@@ -9,7 +9,7 @@ describe("McpbManifestSchema", () => {
     const manifestContent = readFileSync(manifestPath, "utf-8");
     const manifestData = JSON.parse(manifestContent);
 
-    const result = McpbManifestSchema.safeParse(manifestData);
+    const result = v0_3.McpbManifestSchema.safeParse(manifestData);
 
     expect(result.success).toBe(true);
     if (result.success) {
@@ -23,11 +23,11 @@ describe("McpbManifestSchema", () => {
     const manifestContent = readFileSync(manifestPath, "utf-8");
     const manifestData = JSON.parse(manifestContent);
 
-    const result = McpbManifestSchema.safeParse(manifestData);
+    const result = v0_3.McpbManifestSchema.safeParse(manifestData);
 
     expect(result.success).toBe(false);
     if (!result.success) {
-      const errors = result.error.issues.map((issue) => issue.path.join("."));
+      const errors = result.error.issues.map((issue: any) => issue.path.join("."));
       expect(errors).toContain("author.name");
       expect(errors).toContain("author.email");
       expect(errors).toContain("server.type");
@@ -134,7 +134,7 @@ describe("McpbManifestSchema", () => {
       },
     };
 
-    const result = McpbManifestSchema.safeParse(fullManifest);
+    const result = v0_3.McpbManifestSchema.safeParse(fullManifest);
 
     expect(result.success).toBe(true);
     if (result.success) {
@@ -167,7 +167,7 @@ describe("McpbManifestSchema", () => {
         },
       };
 
-      const result = McpbManifestSchema.safeParse(manifest);
+      const result = v0_3.McpbManifestSchema.safeParse(manifest);
       expect(result.success).toBe(true);
     });
   });
@@ -270,10 +270,10 @@ describe("McpbManifestSchema", () => {
           default_locale: "en-US",
         },
       };
-      const result = McpbManifestSchema.safeParse(manifest);
+      const result = v0_3.McpbManifestSchema.safeParse(manifest);
       expect(result.success).toBe(false);
       if (!result.success) {
-        const messages = result.error.issues.map((issue) => issue.message);
+        const messages = result.error.issues.map((issue: any) => issue.message);
         expect(messages.join(" ")).toContain("${locale}");
       }
     });
@@ -286,7 +286,7 @@ describe("McpbManifestSchema", () => {
           default_locale: "en_us",
         },
       };
-      const result = McpbManifestSchema.safeParse(manifest);
+      const result = v0_3.McpbManifestSchema.safeParse(manifest);
       expect(result.success).toBe(false);
     });
 
@@ -298,7 +298,7 @@ describe("McpbManifestSchema", () => {
           default_locale: "en-US",
         },
       };
-      const result = McpbManifestSchema.safeParse(manifest);
+      const result = v0_3.McpbManifestSchema.safeParse(manifest);
       expect(result.success).toBe(true);
     });
   });
@@ -322,7 +322,7 @@ describe("McpbManifestSchema", () => {
         ...base,
         icons: [{ src: "assets/icon.png", size: "16", theme: "light" }],
       };
-      const result = McpbManifestSchema.safeParse(manifest);
+      const result = v0_3.McpbManifestSchema.safeParse(manifest);
       expect(result.success).toBe(false);
     });
 
@@ -331,7 +331,7 @@ describe("McpbManifestSchema", () => {
         ...base,
         icons: [{ src: "assets/icon.png", size: "128x128" }],
       };
-      const result = McpbManifestSchema.safeParse(manifest);
+      const result = v0_3.McpbManifestSchema.safeParse(manifest);
       expect(result.success).toBe(true);
     });
   });