diff --git a/Makefile b/Makefile
index 15b883b..856295d 100644
--- a/Makefile
+++ b/Makefile
@@ -111,12 +111,4 @@ $(dir_build)/%.o: $(dir_source)/%.c $(bundled)
 $(dir_build)/%.o: $(dir_source)/%.s
 	@mkdir -p "$(@D)"
 	$(COMPILE.s) $(OUTPUT_OPTION) $<
-
-$(dir_build)/fatfs/%.o: $(dir_source)/fatfs/%.c
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) $(OUTPUT_OPTION) $<
-
-$(dir_build)/fatfs/%.o: $(dir_source)/fatfs/%.s
-	@mkdir -p "$(@D)"
-	$(COMPILE.s) $(OUTPUT_OPTION) $<
 include $(call rwildcard, $(dir_build), *.d)
diff --git a/loader/Makefile b/loader/Makefile
index 5d43704..0852b83 100644
--- a/loader/Makefile
+++ b/loader/Makefile
@@ -44,12 +44,4 @@ $(dir_build)/%.o: $(dir_source)/%.c
 $(dir_build)/%.o: $(dir_source)/%.s
 	@mkdir -p "$(@D)"
 	$(COMPILE.s) $(OUTPUT_OPTION) $<
-
-$(dir_build)/fatfs/%.o: $(dir_source)/fatfs/%.c
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) $(OUTPUT_OPTION) $<
-
-$(dir_build)/fatfs/%.o: $(dir_source)/fatfs/%.s
-	@mkdir -p "$(@D)"
-	$(COMPILE.s) $(OUTPUT_OPTION) $<
 include $(call rwildcard, $(dir_build), *.d)