diff --git a/gap/pkg/OscarInterface/gap/OscarInterface.gi b/gap/pkg/OscarInterface/gap/OscarInterface.gi
index ae064a514cf4..cdea09e744b6 100644
--- a/gap/pkg/OscarInterface/gap/OscarInterface.gi
+++ b/gap/pkg/OscarInterface/gap/OscarInterface.gi
@@ -184,38 +184,3 @@ InstallMethod( IsHandledByNiceMonomorphism,
     fi;
     return false;
     end );
-
-############################################################################
-
-# The following can be removed as soon as the CTblLib package provides it
-# (not yet in CTblLib v1.3.9).
-if not IsBound( IsAtlasCharacterTable ) then
-  DeclareProperty( "IsAtlasCharacterTable", IsNearlyCharacterTable );
-
-  InstallMethod( IsAtlasCharacterTable,
-    [ "IsOrdinaryTable" ],
-    tbl -> PositionSublist( InfoText( tbl ),
-                            "origin: ATLAS of finite groups" ) <> fail );
-
-  InstallMethod( IsAtlasCharacterTable,
-    [ "IsBrauerTable" ],
-    tbl -> IsAtlasCharacterTable( OrdinaryCharacterTable( tbl ) ) );
-
-  AddSet( CTblLib.SupportedAttributes, "IsAtlasCharacterTable" );
-
-  DatabaseAttributeAddX( CTblLib.Data.IdEnumerator, rec(
-    identifier:= "IsAtlasCharacterTable",
-    type:= "values",
-    name:= "IsAtlasCharacterTable",
-    neededAttributes:= [ "InfoText" ],
-    create:= function( attr, id )
-      local infotext;
-
-      infotext:= attr.idenumerator.attributes.InfoText;
-      return PositionSublist( infotext.attributeValue( infotext, id ),
-                              "origin: ATLAS of finite groups" ) <> fail;
-      end,
-  ) );
-
-  CTblLib.ExtendAttributeOfIdEnumeratorExt( "IsAtlasCharacterTable", true );
-fi;