diff --git a/sql/patch_44_45_d.sql b/sql/patch_44_45_d.sql
deleted file mode 100644
index 6f356cc72e0ea3fd8ee9b50998cb151b84938ea9..0000000000000000000000000000000000000000
--- a/sql/patch_44_45_d.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-# patch_44_45_d.sql
-#
-# title: go_xref_source_field
-#
-# description: 
-# Add a source_external_db_id field to go_xref table
-
-ALTER TABLE `go_xref` ADD COLUMN 
-  `source_external_db_id` int(10) unsigned default NULL;
-
-ALTER TABLE `go_xref` ADD KEY (source_external_db_id);
-
-# patch identifier
-INSERT INTO meta (meta_key, meta_value) 
-VALUES ('patch', 'patch_44_45_d.sql|go_xref_source_field');