diff --git a/rust/operator-binary/src/security/kerberos.rs b/rust/operator-binary/src/security/kerberos.rs
index 6360461b..35681cff 100644
--- a/rust/operator-binary/src/security/kerberos.rs
+++ b/rust/operator-binary/src/security/kerberos.rs
@@ -101,12 +101,6 @@ impl CoreSiteConfigBuilder {
                     "dfs.namenode.kerberos.principal.pattern",
                     format!("nn/{principal_host_part}"),
                 );
-            // // Otherwise we fail with `java.io.IOException: No groups found for user nn`
-            // // Default value is `dr.who=`, so we include that here
-            // .add(
-            //     "hadoop.user.group.static.mapping.overrides",
-            //     "dr.who=;nn=;nm=;jn=;",
-            // );
 
             self.add_wire_encryption_settings();
         }