diff --git a/extras/conf/udb/Includes/SRB222_linedefs.cfg b/extras/conf/udb/Includes/SRB222_linedefs.cfg
index 621b4abd53c4ff087664c9b24b0b424eae5d1e8b..68077862392a0ca2668d296f051203cd250e93ed 100644
--- a/extras/conf/udb/Includes/SRB222_linedefs.cfg
+++ b/extras/conf/udb/Includes/SRB222_linedefs.cfg
@@ -1221,52 +1221,6 @@ udmf
 				}
 			}
 		}
-		260
-		{
-			title = "Generalized 3D Floor";
-			prefix = "(260)";
-			id = "Sector_Set3dFloor";
-			requiresactivation = false;
-
-			arg0
-			{
-				title = "Target sector tag";
-				type = 13;
-			}
-			arg1
-			{
-				title = "Type";
-				type = 26;
-				default = 1;
-				enum
-				{
-					1 = "Solid";
-					2 = "Water";
-					3 = "Intangible";
-				}
-				flags
-				{
-					4 = "Render insides";
-					16 = "Only render insides";
-				}
-			}
-			arg2
-			{
-				title = "Flags";
-				type = 12;
-				enum
-				{
-					1 = "No shadow";
-					2 = "Double shadow";
-					4 = "Fog";
-				}
-			}
-			arg3
-			{
-				title = "Alpha";
-				default = 255;
-			}
-		}
 	}
 
 	linedeftrigger