diff --git a/lib/core/data.py b/lib/core/data.py
index 716948a23..8336ff00f 100644
--- a/lib/core/data.py
+++ b/lib/core/data.py
@@ -8,17 +8,7 @@ See the file 'doc/COPYING' for copying permission
 """
 
 from lib.core.datatype import advancedDict
-from lib.core.enums import DBMS
 from lib.core.settings import LOGGER
-from lib.core.settings import MSSQL_ALIASES
-from lib.core.settings import MYSQL_ALIASES
-from lib.core.settings import PGSQL_ALIASES
-from lib.core.settings import ORACLE_ALIASES
-from lib.core.settings import SQLITE_ALIASES
-from lib.core.settings import ACCESS_ALIASES
-from lib.core.settings import FIREBIRD_ALIASES
-from lib.core.settings import MAXDB_ALIASES
-from lib.core.settings import SYBASE_ALIASES
 
 # sqlmap paths
 paths = advancedDict()