diff --git a/AcceptanceTest/cfg/at_44.cfg b/AcceptanceTest/cfg/at_44.cfg
index 66e5671e3..0a689389d 100644
--- a/AcceptanceTest/cfg/at_44.cfg
+++ b/AcceptanceTest/cfg/at_44.cfg
@@ -11,17 +11,5 @@ TargetCompID=TW
 ResetOnLogon=Y 
 FileStorePath=store 
 [SESSION] 
-BeginString=FIX.4.0 
-DataDictionary=..\spec\fix\FIX40.xml 
-[SESSION] 
-BeginString=FIX.4.1 
-DataDictionary=..\spec\fix\FIX41.xml 
-[SESSION] 
-BeginString=FIX.4.2 
-DataDictionary=..\spec\fix\FIX42.xml 
-[SESSION] 
-BeginString=FIX.4.3 
-DataDictionary=..\spec\fix\FIX43.xml 
-[SESSION] 
 BeginString=FIX.4.4 
-DataDictionary=..\spec\fix\FIX44.xml 
\ No newline at end of file
+DataDictionary=..\spec\fix\FIX44.xml 
diff --git a/AcceptanceTest/cfg/at_50.cfg b/AcceptanceTest/cfg/at_50.cfg
index 85074b290..efa960068 100644
--- a/AcceptanceTest/cfg/at_50.cfg
+++ b/AcceptanceTest/cfg/at_50.cfg
@@ -10,23 +10,8 @@ SenderCompID=ISLD
 TargetCompID=TW 
 ResetOnLogon=Y 
 FileStorePath=store 
-[SESSION] 
-BeginString=FIX.4.0 
-DataDictionary=..\spec\fix\FIX40.xml 
-[SESSION] 
-BeginString=FIX.4.1 
-DataDictionary=..\spec\fix\FIX41.xml 
-[SESSION] 
-BeginString=FIX.4.2 
-DataDictionary=..\spec\fix\FIX42.xml 
-[SESSION] 
-BeginString=FIX.4.3 
-DataDictionary=..\spec\fix\FIX43.xml 
-[SESSION] 
-BeginString=FIX.4.4 
-DataDictionary=..\spec\fix\FIX44.xml
 [SESSION]
 BeginString=FIXT.1.1
 DefaultApplVerID=FIX.5.0
 AppDataDictionary=..\spec\fix\FIX50.xml
-TransportDataDictionary=..\spec\fix\FIXT11.xml
\ No newline at end of file
+TransportDataDictionary=..\spec\fix\FIXT11.xml
diff --git a/AcceptanceTest/cfg/at_50_sp1.cfg b/AcceptanceTest/cfg/at_50_sp1.cfg
index d4994246e..3dbefdb32 100644
--- a/AcceptanceTest/cfg/at_50_sp1.cfg
+++ b/AcceptanceTest/cfg/at_50_sp1.cfg
@@ -10,21 +10,6 @@ SenderCompID=ISLD
 TargetCompID=TW 
 ResetOnLogon=Y 
 FileStorePath=store 
-[SESSION] 
-BeginString=FIX.4.0 
-DataDictionary=..\spec\fix\FIX40.xml 
-[SESSION] 
-BeginString=FIX.4.1 
-DataDictionary=..\spec\fix\FIX41.xml 
-[SESSION] 
-BeginString=FIX.4.2 
-DataDictionary=..\spec\fix\FIX42.xml 
-[SESSION] 
-BeginString=FIX.4.3 
-DataDictionary=..\spec\fix\FIX43.xml 
-[SESSION] 
-BeginString=FIX.4.4 
-DataDictionary=..\spec\fix\FIX44.xml
 [SESSION]
 BeginString=FIXT.1.1
 DefaultApplVerID=FIX.5.0SP1
diff --git a/AcceptanceTest/cfg/at_50_sp2.cfg b/AcceptanceTest/cfg/at_50_sp2.cfg
index 6673a71e2..bfb589be1 100644
--- a/AcceptanceTest/cfg/at_50_sp2.cfg
+++ b/AcceptanceTest/cfg/at_50_sp2.cfg
@@ -10,21 +10,6 @@ SenderCompID=ISLD
 TargetCompID=TW 
 ResetOnLogon=Y 
 FileStorePath=store 
-[SESSION] 
-BeginString=FIX.4.0 
-DataDictionary=..\spec\fix\FIX40.xml 
-[SESSION] 
-BeginString=FIX.4.1 
-DataDictionary=..\spec\fix\FIX41.xml 
-[SESSION] 
-BeginString=FIX.4.2 
-DataDictionary=..\spec\fix\FIX42.xml 
-[SESSION] 
-BeginString=FIX.4.3 
-DataDictionary=..\spec\fix\FIX43.xml 
-[SESSION] 
-BeginString=FIX.4.4 
-DataDictionary=..\spec\fix\FIX44.xml
 [SESSION]
 BeginString=FIXT.1.1
 DefaultApplVerID=FIX.5.0SP2