diff --git a/src/sdl/Makefile.cfg b/src/sdl/Makefile.cfg
index 13ad7033a..68e616f01 100644
--- a/src/sdl/Makefile.cfg
+++ b/src/sdl/Makefile.cfg
@@ -93,11 +93,6 @@ ifndef NOTHREADS
 	OBJS+=$(OBJDIR)/i_threads.o
 endif
 
-ifndef NOTHREADS
-	OPTS+=-DHAVE_THREADS
-	OBJS+=$(OBJDIR)/i_threads.o
-endif
-
 ifdef SDL_TTF
 	OPTS+=-DHAVE_TTF
 	SDL_LDFLAGS+=-lSDL2_ttf -lfreetype -lz