diff --git a/libraries/io/ddr/hdllib.cfg b/libraries/io/ddr/hdllib.cfg
index 398a370c753f6ab4486a6c4e8fc35c08ac48f93a..5b51b20d216010698dcee18c95755980e565cf01 100644
--- a/libraries/io/ddr/hdllib.cfg
+++ b/libraries/io/ddr/hdllib.cfg
@@ -1,6 +1,6 @@
 hdl_lib_name = io_ddr
 hdl_library_clause_name = io_ddr_lib
-hdl_lib_uses_synth = technology tech_ddr tech_ddr3 common dp diag diagnostics 
+hdl_lib_uses_synth = technology tech_ddr common dp diag diagnostics 
 hdl_lib_uses_sim = 
 hdl_lib_technology =