diff --git a/server/src/jit/utils.ts b/server/src/jit/utils.ts
index 5b1433f..dbbaa20 100644
--- a/server/src/jit/utils.ts
+++ b/server/src/jit/utils.ts
@@ -35,10 +35,10 @@ export function typeStringToStaticType(typeString: string, gvnt?: GlobalVariable
   } else if (typeString === 'Function') {
     return 'any'
   } else {
-    const clazz = gvnt === undefined ? undefined : gvnt.classTable().findClass(typeString)
-    if (clazz === undefined)
+    const type = gvnt === undefined ? undefined : gvnt.lookup(typeString)?.type
+    if (type === undefined || !(type instanceof InstanceType))
       throw new ProfileError(`Cannot find the profiled class: ${typeString}`)
-    return clazz
+    return type
   }
 }
 
diff --git a/server/src/transpiler/classes.ts b/server/src/transpiler/classes.ts
index 7615134..ab5b7e5 100644
--- a/server/src/transpiler/classes.ts
+++ b/server/src/transpiler/classes.ts
@@ -265,15 +265,4 @@ export class ClassTable {
     return { offset: offset, unboxed: unboxed,
              props: props, unboxedTypes: unboxedTypes.join('')}
   }
-
-  findClass(name: string, classes: InstanceType[] = this.rootClasses): InstanceType|undefined {
-    for (const clazz of classes) {
-      if (clazz.name() === name)
-        return clazz
-      const resultClass = this.findClass(name, clazz.subclasses())
-      if (resultClass !== undefined)
-        return resultClass
-    }
-    return undefined
-  }
 }