Index: src/bp-activity/bp-activity-loader.php
--- src/bp-activity/bp-activity-loader.php
+++ src/bp-activity/bp-activity-loader.php
@@ -362,6 +362,23 @@
 
 		parent::setup_actions();
 	}
+
+	/**
+	 * Setup cache groups
+	 *
+	 * @since BuddyPress (2.2.0)
+	 */
+	public function setup_cache_groups() {
+
+		// Global groups
+		wp_cache_add_global_groups( array(
+			'bp_activity',
+			'bp_activity_comments',
+			'activity_meta'
+		) );
+
+		parent::setup_cache_groups();
+	}
 }
 
 /**
Index: src/bp-blogs/bp-blogs-loader.php
--- src/bp-blogs/bp-blogs-loader.php
+++ src/bp-blogs/bp-blogs-loader.php
@@ -272,6 +272,21 @@
 	}
 
 	/**
+	 * Setup cache groups
+	 *
+	 * @since BuddyPress (2.2.0)
+	 */
+	public function setup_cache_groups() {
+
+		// Global groups
+		wp_cache_add_global_groups( array(
+			'blog_meta'
+		) );
+
+		parent::setup_cache_groups();
+	}
+
+	/**
 	 * Set up the tracking arguments for the 'post' post type.
 	 *
 	 * @since BuddyPress (2.2.0)
Index: src/bp-friends/bp-friends-loader.php
--- src/bp-friends/bp-friends-loader.php
+++ src/bp-friends/bp-friends-loader.php
@@ -239,6 +239,21 @@
 
 		parent::setup_title();
 	}
+
+	/**
+	 * Setup cache groups
+	 *
+	 * @since BuddyPress (2.2.0)
+	 */
+	public function setup_cache_groups() {
+
+		// Global groups
+		wp_cache_add_global_groups( array(
+			'bp_friend_requests'
+		) );
+
+		parent::setup_cache_groups();
+	}
 }
 
 /**
Index: src/bp-groups/bp-groups-loader.php
--- src/bp-groups/bp-groups-loader.php
+++ src/bp-groups/bp-groups-loader.php
@@ -676,6 +676,24 @@
 
 		parent::setup_title();
 	}
+
+	/**
+	 * Setup cache groups
+	 *
+	 * @since BuddyPress (2.2.0)
+	 */
+	public function setup_cache_groups() {
+
+		// Global groups
+		wp_cache_add_global_groups( array(
+			'bp_groups',
+			'bp_group_admins',
+			'bp_group_invite_count',
+			'group_meta'
+		) );
+
+		parent::setup_cache_groups();
+	}
 }
 
 /**
Index: src/bp-members/bp-members-loader.php
--- src/bp-members/bp-members-loader.php
+++ src/bp-members/bp-members-loader.php
@@ -277,6 +277,21 @@
 
 		parent::setup_title();
 	}
+
+	/**
+	 * Setup cache groups
+	 *
+	 * @since BuddyPress (2.2.0)
+	 */
+	public function setup_cache_groups() {
+
+		// Global groups
+		wp_cache_add_global_groups( array(
+			'bp_member_type'
+		) );
+
+		parent::setup_cache_groups();
+	}
 }
 
 /**
Index: src/bp-messages/bp-messages-loader.php
--- src/bp-messages/bp-messages-loader.php
+++ src/bp-messages/bp-messages-loader.php
@@ -292,6 +292,23 @@
 
 		parent::setup_title();
 	}
+
+	/**
+	 * Setup cache groups
+	 *
+	 * @since BuddyPress (2.2.0)
+	 */
+	public function setup_cache_groups() {
+
+		// Global groups
+		wp_cache_add_global_groups( array(
+			'bp_messages',
+			'bp_messages_unread_count',
+			'message_meta'
+		) );
+
+		parent::setup_cache_groups();
+	}
 }
 
 /**
Index: src/bp-notifications/bp-notifications-loader.php
--- src/bp-notifications/bp-notifications-loader.php
+++ src/bp-notifications/bp-notifications-loader.php
@@ -237,6 +237,21 @@
 
 		parent::setup_title();
 	}
+
+	/**
+	 * Setup cache groups
+	 *
+	 * @since BuddyPress (2.2.0)
+	 */
+	public function setup_cache_groups() {
+
+		// Global groups
+		wp_cache_add_global_groups( array(
+			'bp_notifications'
+		) );
+
+		parent::setup_cache_groups();
+	}
 }
 
 /**
Index: src/bp-xprofile/bp-xprofile-loader.php
--- src/bp-xprofile/bp-xprofile-loader.php
+++ src/bp-xprofile/bp-xprofile-loader.php
@@ -366,7 +366,7 @@
 		wp_cache_add_global_groups( array(
 			'bp_xprofile',
 			'bp_xprofile_data',
-			//'xprofile_meta'
+			'xprofile_meta'
 		) );
 
 		parent::setup_cache_groups();