diff --git a/cvat-core/src/core-types.ts b/cvat-core/src/core-types.ts
index e72e32041f00..0edb2dce84cf 100644
--- a/cvat-core/src/core-types.ts
+++ b/cvat-core/src/core-types.ts
@@ -38,7 +38,7 @@ export interface SerializedModel {
     labels_v2?: MLModelLabel[];
     version?: number;
     description?: string;
-    kind?: ModelKind | 'classifier';
+    kind?: ModelKind;
     type?: string;
     return_type?: ModelReturnType;
     owner?: any;
diff --git a/cvat-core/src/ml-model.ts b/cvat-core/src/ml-model.ts
index e632328d6250..663728d7b16d 100644
--- a/cvat-core/src/ml-model.ts
+++ b/cvat-core/src/ml-model.ts
@@ -40,8 +40,6 @@ export default class MLModel {
     }
 
     public get kind(): ModelKind {
-        // compatibility alias; TODO: remove this
-        if (this.serialized.kind === 'classifier') return ModelKind.DETECTOR;
         return this.serialized.kind;
     }