--- a/mobile/android/base/java/org/mozilla/gecko/db/BrowserProvider.java
+++ b/mobile/android/base/java/org/mozilla/gecko/db/BrowserProvider.java
@@ -1213,16 +1213,18 @@ public class BrowserProvider extends Sha
                     PageMetadata.JSON + " AS " + TopSites.PAGE_METADATA_JSON +
 
                     " FROM (" + selectTopSites + ") AS " + TABLE_TOPSITES +
 
                     " LEFT OUTER JOIN " + TABLE_PAGE_METADATA + " ON " +
                             DBUtils.qualifyColumn(TABLE_TOPSITES, Combined.HISTORY_GUID) + " = " +
                             DBUtils.qualifyColumn(TABLE_PAGE_METADATA, PageMetadata.HISTORY_GUID) +
 
+                    " GROUP BY " + DBUtils.qualifyColumn(TABLE_TOPSITES, Bookmarks.URL) + // remove duplicates.
+
                     // In case position is non-unique (as in Activity Stream pins, whose position
                     // is always zero), we need to ensure we get stable ordering.
                     " ORDER BY " + Bookmarks.POSITION + ", " + Bookmarks.URL,
 
                     null);
 
             c.setNotificationUri(getContext().getContentResolver(),
                                  BrowserContract.AUTHORITY_URI);