diff --git a/packages/api/build.ts b/packages/api/build.ts
index 51177502..0e1b37c8 100644
--- a/packages/api/build.ts
+++ b/packages/api/build.ts
@@ -29,6 +29,9 @@ await build({
             dep.startsWith("@versia"),
         ),
         "@bull-board/ui",
+        // Excluded because Standard Schema imports those, but the code is never executed
+        "@valibot/to-json-schema",
+        "effect"
     ],
 });
 
diff --git a/packages/kit/build.ts b/packages/kit/build.ts
index 84dfd501..21298bee 100644
--- a/packages/kit/build.ts
+++ b/packages/kit/build.ts
@@ -16,6 +16,9 @@ await build({
             dep.startsWith("@versia"),
         ),
         "acorn",
+        // Excluded because Standard Schema imports those, but the code is never executed
+        "@valibot/to-json-schema",
+        "effect"
     ],
 });