diff --git a/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/schema/Schema.java b/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/schema/Schema.java
index 08fe3295b5..3ec6d8f008 100644
--- a/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/schema/Schema.java
+++ b/sample-operators/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/schema/Schema.java
@@ -31,7 +31,7 @@ public boolean equals(Object o) {
 
   @Override
   public int hashCode() {
-    return Objects.hash(name, characterSet);
+    return Objects.hash(name);
   }
 
   @Override