diff --git a/src/lib/qti-components/qti-responseprocessing/qti-expression/qti-condition-expression.ts b/src/lib/qti-components/qti-responseprocessing/qti-expression/qti-condition-expression.ts
index c71240cb..d08c5991 100755
--- a/src/lib/qti-components/qti-responseprocessing/qti-expression/qti-condition-expression.ts
+++ b/src/lib/qti-components/qti-responseprocessing/qti-expression/qti-condition-expression.ts
@@ -1,14 +1,9 @@
-
 import { html } from 'lit';
 import { QtiExpression } from './qti-expression';
 
 export class QtiConditionExpression extends QtiExpression<boolean> {
-  override render() {
-    return html``;
-  }
-
   public calculate(): boolean {
     // eslint-disable-next-line no-throw-literal
-    throw new Error("Not implemented");
+    throw new Error('Not implemented');
   }
-}
\ No newline at end of file
+}