diff --git a/lib/modules/datasource/rubygems/versions-datasource.ts b/lib/modules/datasource/rubygems/versions-datasource.ts
index 5122bd759a8b36..1e56a5d89958e8 100644
--- a/lib/modules/datasource/rubygems/versions-datasource.ts
+++ b/lib/modules/datasource/rubygems/versions-datasource.ts
@@ -45,15 +45,7 @@ const Lines = z
             }
           }
           return { packageName, deletedVersions, addedVersions };
-        }),
-      {
-        onError: ({ error: err, input }) => {
-          logger.debug(
-            { err, input },
-            'Rubygems: failed to parse some version lines'
-          );
-        },
-      }
+        })
     )
   );
 type Lines = z.infer<typeof Lines>;