diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index cb1c488143..f7e85ab5c8 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -6,8 +6,6 @@ AM_CFLAGS =
 
 if DARWIN
 AM_LDFLAGS += -framework Cocoa -framework Quicktime -framework Carbon -framework OpenGL -framework IOKit
-else
-AM_CXXFLAGS += -DLINUX -DDATADIR=\"$(datadir)\"
 endif
 
 AM_CXXFLAGS += -O2