diff --git a/src/wp-includes/load.php b/src/wp-includes/load.php
index 31841cc97d..b2181c0a2d 100644
--- a/src/wp-includes/load.php
+++ b/src/wp-includes/load.php
@@ -477,7 +477,7 @@ function wp_start_object_cache() {
 
 	if ( function_exists( 'wp_cache_add_global_groups' ) ) {
 		wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites' ) );
-		wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
+		wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
 	}
 }
 
diff --git a/src/wp-includes/ms-blogs.php b/src/wp-includes/ms-blogs.php
index e58d8dfe2e..a8b2f34fae 100644
--- a/src/wp-includes/ms-blogs.php
+++ b/src/wp-includes/ms-blogs.php
@@ -766,7 +766,7 @@ function switch_to_blog( $new_blog, $deprecated = null ) {
 			} else {
 				wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites' ) );
 			}
-			wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
+			wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
 		}
 	}
 
@@ -837,7 +837,7 @@ function restore_current_blog() {
 			} else {
 				wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites' ) );
 			}
-			wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
+			wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
 		}
 	}