diff --git a/src/Makefile.in b/src/Makefile.in
index e5f356421..b232fc631 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -144,7 +144,6 @@ OBJS = \
 	effects/EffectCategory.o \
 	effects/EffectManager.o \
 	effects/SimpleMono.o \
-	effects/SimplePairedTwoTrack.o \
 	effects/SBSMSEffect.o \
 	effects/TimeScale.o \
 	effects/SoundTouchEffect.o \