diff --git a/Makefile b/Makefile
index ccb260c..7611475 100644
--- a/Makefile
+++ b/Makefile
@@ -36,23 +36,17 @@ clean:
 	rm -rf $(BIN)
 	rm -rf $(PREPROCESSED)
 
-TMP = temp
-
-tmp:
-	mkdir -p $(TMP)
-
 _PP_HXX = osuparser.hpp config.hpp
 _PP_CXX = osuparser.cpp
 _PP = $(_PP_HXX) $(_PP_CXX)
 PP = $(addprefix $(PREPROCESSED)/, $(_PP))
 
-preprocess: dirs tmp $(PP)
-	rm -rf $(TMP)
+preprocess: dirs $(PP)
 
 $(PREPROCESSED)/%.hpp: $(INCLUDE)/%.hpp
-	$(CXX) $(CXXFLAGS) -E $< > $(TMP)/$(@:$(PREPROCESSED)/%=%)
-	clang-format $(TMP)/$(@:$(PREPROCESSED)/%=%) > $@
+	$(CXX) $(CXXFLAGS) -E $< > $@
+	clang-format -i $@
 
 $(PREPROCESSED)/%.cpp: $(SRC)/%.cpp
-	$(CXX) $(CXXFLAGS) -E $< > $(TMP)/$(@:$(PREPROCESSED)/%=%)
-	clang-format $(TMP)/$(@:$(PREPROCESSED)/%=%) > $@
+	$(CXX) $(CXXFLAGS) -E $< > $@
+	clang-format -i $@