diff --git a/extras/conf/udb/Includes/SRB222_misc.cfg b/extras/conf/udb/Includes/SRB222_misc.cfg
index e392014c8a21b855895fb86ea70e041a60cc398b..544516f7d283f434b857908fd2a4b93a1bdf9852 100644
--- a/extras/conf/udb/Includes/SRB222_misc.cfg
+++ b/extras/conf/udb/Includes/SRB222_misc.cfg
@@ -58,7 +58,6 @@ linedefflags_udmf
 	wrapmidtex = "Repeat Midtexture";
 	netonly = "Netgame Only";
 	nonet = "No Netgame";
-	effect6 = "Effect 6";
 	bouncy = "Bouncy Wall";
 	transfer = "Transfer Line";
 }
diff --git a/src/p_setup.c b/src/p_setup.c
index fdd2f82d72ca1a11dee853a4fc6b0c40dc1def0e..7f1e007308e658d57ca981a08a08e7e31beb3af7 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -1852,8 +1852,8 @@ static void ParseTextmapLinedefParameter(UINT32 i, char *param, char *val)
 		lines[i].flags |= ML_MIDSOLID;
 	else if (fastcmp(param, "wrapmidtex") && fastcmp("true", val))
 		lines[i].flags |= ML_WRAPMIDTEX;
-	else if (fastcmp(param, "effect6") && fastcmp("true", val))
-		lines[i].flags |= ML_EFFECT6;
+	/*else if (fastcmp(param, "effect6") && fastcmp("true", val))
+		lines[i].flags |= ML_EFFECT6;*/
 	else if (fastcmp(param, "nonet") && fastcmp("true", val))
 		lines[i].flags |= ML_NONET;
 	else if (fastcmp(param, "netonly") && fastcmp("true", val))