diff --git a/src/main/java/org/apache/sysds/runtime/frame/data/columns/ACompressedArray.java b/src/main/java/org/apache/sysds/runtime/frame/data/columns/ACompressedArray.java
index 2280cc256fa..4fa9272f3e2 100644
--- a/src/main/java/org/apache/sysds/runtime/frame/data/columns/ACompressedArray.java
+++ b/src/main/java/org/apache/sysds/runtime/frame/data/columns/ACompressedArray.java
@@ -159,8 +159,5 @@ public void setM(Map<T, Long> map, AMapToData m, int i) {
 		throw new NotImplementedException();
 	}
 
-	@Override
-	public void setM(Map<T, Long> map, int si, AMapToData m, int i) {
-		throw new NotImplementedException();
-	}
+	
 }