diff --git a/toolkit/components/places/src/nsAnnotationService.cpp b/toolkit/components/places/src/nsAnnotationService.cpp
index 62e0e969ea1f..417a5a6de2c4 100644
--- a/toolkit/components/places/src/nsAnnotationService.cpp
+++ b/toolkit/components/places/src/nsAnnotationService.cpp
@@ -263,9 +263,6 @@ nsAnnotationService::InitTables(mozIStorageConnection* aDBConn)
         "id INTEGER PRIMARY KEY,"
         "name VARCHAR(32) UNIQUE NOT NULL)"));
     NS_ENSURE_SUCCESS(rv, rv);
-    rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
-        "CREATE INDEX moz_anno_attributes_nameindex ON moz_anno_attributes (name)"));
-    NS_ENSURE_SUCCESS(rv, rv);
   }
 
   rv = aDBConn->TableExists(NS_LITERAL_CSTRING("moz_items_annos"), &exists);
diff --git a/toolkit/components/places/src/nsFaviconService.cpp b/toolkit/components/places/src/nsFaviconService.cpp
index 012917be6518..4607658d5b5c 100644
--- a/toolkit/components/places/src/nsFaviconService.cpp
+++ b/toolkit/components/places/src/nsFaviconService.cpp
@@ -184,8 +184,6 @@ nsFaviconService::InitTables(mozIStorageConnection* aDBConn)
   if (! exists) {
     rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING("CREATE TABLE moz_favicons (id INTEGER PRIMARY KEY, url LONGVARCHAR UNIQUE, data BLOB, mime_type VARCHAR(32), expiration LONG)"));
     NS_ENSURE_SUCCESS(rv, rv);
-    rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING("CREATE INDEX moz_favicons_url ON moz_favicons (url)"));
-    NS_ENSURE_SUCCESS(rv, rv);
   }
   return NS_OK;
 }