diff --git a/api/src/nlp/schemas/nlp-sample.schema.ts b/api/src/nlp/schemas/nlp-sample.schema.ts
index b5df7e01..ff8fd7c1 100644
--- a/api/src/nlp/schemas/nlp-sample.schema.ts
+++ b/api/src/nlp/schemas/nlp-sample.schema.ts
@@ -23,7 +23,7 @@ export class NlpSampleStub extends BaseSchema {
   /**
    * The content of the sample.
    */
-  @Prop({ type: String, required: true, unique: true })
+  @Prop({ type: String, required: true })
   text: string;
 
   /**