diff --git a/tools/hdltool_unb1.cfg b/tools/hdltool_unb1.cfg
index 1cc9f04eabd2c46fbc61c3a932bd8a292c839268..f205c306b6d8d8fadfd4af7c4b525f45065a079e 100644
--- a/tools/hdltool_unb1.cfg
+++ b/tools/hdltool_unb1.cfg
@@ -10,10 +10,3 @@ modelsim_search_libraries =
     # stratixiv only
     altera_ver lpm_ver sgate_ver altera_mf_ver altera_lnsim_ver stratixiv_ver stratixiv_hssi_ver stratixiv_pcie_hip_ver
     altera     lpm     sgate     altera_mf     altera_lnsim     stratixiv     stratixiv_hssi     stratixiv_pcie_hip
-    # arria10 only
-    #    altera_ver lpm_ver sgate_ver altera_mf_ver altera_lnsim_ver twentynm_ver twentynm_hssi_ver twentynm_hip_ver
-    #    altera     lpm     sgate     altera_mf     altera_lnsim     twentynm     twentynm_hssi     twentynm_hip
-    # both stratixiv and arria10
-    #    altera_ver lpm_ver sgate_ver altera_mf_ver altera_lnsim_ver stratixiv_ver stratixiv_hssi_ver stratixiv_pcie_hip_ver twentynm_ver twentynm_hssi_ver twentynm_hip_ver
-    #    altera     lpm     sgate     altera_mf     altera_lnsim     stratixiv     stratixiv_hssi     stratixiv_pcie_hip     twentynm     twentynm_hssi     twentynm_hip
-