Index: src/wp-admin/js/updates.js
===================================================================
--- src/wp-admin/js/updates.js	(revision 38168)
+++ src/wp-admin/js/updates.js	(working copy)
@@ -1341,7 +1341,6 @@
 				break;
 
 			default:
-				window.console.error( 'Failed to execute queued update job.', job );
 				break;
 		}
 	};
@@ -1930,7 +1929,6 @@
 					break;
 
 				default:
-					window.console.error( 'The page "%s" is not white-listed for bulk action handling.', pagenow );
 					return;
 			}
 
@@ -1962,7 +1960,6 @@
 					break;
 
 				default:
-					window.console.error( 'Failed to identify bulk action: %s', bulkAction );
 					return;
 			}