diff --git a/lib/init.g b/lib/init.g
index bb5f570b201..ecbb1ed552a 100644
--- a/lib/init.g
+++ b/lib/init.g
@@ -938,16 +938,6 @@ BindGlobal ("ShowSystemInformation", function ()
 end );
 
 
-#############################################################################
-##
-## Initialize the IsLIBGAP variable (if not done before). If this variable
-## is false, an interactive session will be started.
-## Otherwise no interactive session is started.
-##
-if not IsBound( IsLIBGAP ) then
-  BIND_CONSTANT( "IsLIBGAP", false );
-fi;
-
 #############################################################################
 ##
 ##  Finally, deal with the lists of global variables.
@@ -1037,8 +1027,9 @@ InstallAndCallPostRestore( function()
     od;
 end );
 
-if IsLIBGAP then
-  # GAP is used as a library, do not start an interactive session
+
+if GAPInfo.CommandLineOptions.norepl then
+  # do not start an interactive session
 elif IsHPCGAP and THREAD_UI() then
   ReadLib("hpc/consoleui.g");
   MULTI_SESSION();
diff --git a/tst/testinstall/IsLIBGAP.tst b/tst/testinstall/IsLIBGAP.tst
deleted file mode 100644
index a728214a114..00000000000
--- a/tst/testinstall/IsLIBGAP.tst
+++ /dev/null
@@ -1,11 +0,0 @@
-#############################################################################
-##
-#W  IsLIBGAP.tst                  GAP library               Sebastian Gutsche
-##
-##
-#Y  Copyright (C)  2018,  GAP Group
-##
-gap> START_TEST("IsLIBGAP.tst");
-gap> IsBound( IsLIBGAP );
-true
-gap> STOP_TEST( "IsLIBGAP.tst", 1);