diff --git a/Makefile b/Makefile
index 845c50e6f..75baf5662 100644
--- a/Makefile
+++ b/Makefile
@@ -10,9 +10,9 @@ OBJ =
 all: $(BIN) $(OBJ)
 export LDFLAGS= -pthread -lm 
 
-#xgboost: regression/xgboost_reg_main.cpp regression/*.h booster/*.h booster/*/*.hpp booster/*.hpp
+xgboost: regression/xgboost_reg_main.cpp regression/*.h booster/*.h booster/*/*.hpp booster/*.hpp
 
-xgboost: rank/xgboost_rank_main.cpp base/*.h rank/*.h booster/*.h booster/*/*.hpp booster/*.hpp
+#xgboost: rank/xgboost_rank_main.cpp base/*.h rank/*.h booster/*.h booster/*/*.hpp booster/*.hpp
 
 $(BIN) : 
 	$(CXX) $(CFLAGS) $(LDFLAGS) -o $@ $(filter %.cpp %.o %.c, $^)