diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index c2b7bee3f4..e317b517cb 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -187,7 +187,7 @@ Judgment.cpp Judgment.h LifeMeter.h LifeMeterBar.cpp LifeMeterBar.h LifeMeterBat
 LyricDisplay.cpp LyricDisplay.h NoteDisplay.cpp NoteDisplay.h NoteField.cpp NoteField.h \
 NoteFieldPlus.h NoteFieldPlus.cpp Player.cpp Player.h ProTimingDisplay.cpp ProTimingDisplay.h \
 ScoreDisplay.cpp ScoreDisplay.h ScoreDisplayBattle.cpp ScoreDisplayBattle.h ScoreDisplayNormal.cpp ScoreDisplayNormal.h \
-ScoreDisplayOni.cpp ScoreDisplayOni.h ScoreDisplayRave.cpp ScoreDisplayRave.h TimingAssist.cpp TimingAssist.h \
+ScoreDisplayOni.cpp ScoreDisplayOni.h ScoreDisplayRave.cpp ScoreDisplayRave.h \
 PercentageDisplay.cpp PercentageDisplay.h ScoreDisplayPercentage.cpp ScoreDisplayPercentage.h \
 AttackDisplay.cpp AttackDisplay.h Foreground.cpp Foreground.h