diff --git a/source/games/sw/src/save.cpp b/source/games/sw/src/save.cpp
index 9080da2d4..872b66277 100644
--- a/source/games/sw/src/save.cpp
+++ b/source/games/sw/src/save.cpp
@@ -1115,7 +1115,6 @@ void GameInterface::SerializeGameState(FSerializer& arc)
 			.Array("players", Player, numplayers)
 			("skill", Skill)
 			("screenpeek", screenpeek)
-			("randomseed", randomseed)
 			.Array("sop", SectorObject, countof(SectorObject))
 			.Array("swf", &SineWaveFloor[0][0], 6 * 21)
 			.Array("sinewall", &SineWall[0][0], 10 * 64)