diff --git a/makefile b/makefile
index 837a350..bbfab4e 100644
--- a/makefile
+++ b/makefile
@@ -67,8 +67,6 @@ test_gui.o: test_gui.c gui.h engine.h transport.h
 test_cli.o: test_cli.c engine.h transport.h
 	$(CC) $(CFLAGS) -c -o $@ $<
 
-test_double_process.o: test_double_process.c engine.h transport.h
-	$(CC) $(CFLAGS) -c -o $@ $<
 
 test_wav_io.o: test_wav_io.c wav_io.h
 	$(CC) $(CFLAGS) -c -o $@ $<
@@ -79,9 +77,9 @@ cli.o: cli.c cli.h engine.h transport.h
 .PHONY: all clean test
 
 clean:
-	rm -f *.o lib/microui.o wav_io.o jack-looper test_engine test_tui test_gui test_cli test_double_process test_stress test_wav_io
+	rm -f *.o lib/microui.o wav_io.o jack-looper test_engine test_tui test_gui test_cli test_stress test_wav_io
 
-test: test_engine test_tui test_cli test_double_process test_wav_io
+test: test_engine test_tui test_cli test_wav_io
 	./test_engine
 	./test_tui
 	./test_cli