diff --git a/lib/galaxy/model/mapping.py b/lib/galaxy/model/mapping.py
index 1fad4c148ed..163217334c4 100644
--- a/lib/galaxy/model/mapping.py
+++ b/lib/galaxy/model/mapping.py
@@ -4,7 +4,7 @@ are encapsulated here.
 """
 
 import pkg_resources
-pkg_resources.require( "psycopg2", "pysqlite>=2", "sqlalchemy>=0.3" )
+pkg_resources.require( "pysqlite>=2", "sqlalchemy>=0.3" )
 
 import sys