diff --git a/lib/configure.py b/lib/configure.py
index f426797c37..ddcd8bbe03 100644
--- a/lib/configure.py
+++ b/lib/configure.py
@@ -360,7 +360,6 @@ def checkFormatEntries(dtl_tools):
 \Format lyx13x     lyx13  "LyX 1.3.x"             "" ""	""	"document"
 \Format lyx14x     lyx14  "LyX 1.4.x"             "" ""	""	"document"
 \Format lyx15x     lyx15  "LyX 1.5.x"             "" ""	""	"document"
-\Format lyx20x     lyx20  "LyX 2.0.x"             "" ""	""	"document"
 \Format clyx       cjklyx "CJK LyX 1.4.x (big5)"  "" ""	""	"document"
 \Format jlyx       cjklyx "CJK LyX 1.4.x (euc-jp)" "" ""	""	"document"
 \Format klyx       cjklyx "CJK LyX 1.4.x (euc-kr)" "" ""	""	"document"
@@ -603,7 +602,6 @@ def checkConverterEntries():
 \converter lyx        lyx13x     "python -tt $$s/lyx2lyx/lyx2lyx -t 221 $$i > $$o"	""
 \converter lyx        lyx14x     "python -tt $$s/lyx2lyx/lyx2lyx -t 245 $$i > $$o"	""
 \converter lyx        lyx15x     "python -tt $$s/lyx2lyx/lyx2lyx -t 276 $$i > $$o"	""
-\converter lyx        lyx20x     "python -tt $$s/lyx2lyx/lyx2lyx -t 413 $$i > $$o"	""
 \converter lyx        clyx       "python -tt $$s/lyx2lyx/lyx2lyx -c big5 -t 245 $$i > $$o"	""
 \converter lyx        jlyx       "python -tt $$s/lyx2lyx/lyx2lyx -c euc_jp -t 245 $$i > $$o"	""
 \converter lyx        klyx       "python -tt $$s/lyx2lyx/lyx2lyx -c euc_kr -t 245 $$i > $$o"	""