diff --git a/Makefile b/Makefile
index 4185f5682..613f71211 100644
--- a/Makefile
+++ b/Makefile
@@ -65,7 +65,7 @@ MAKEFLAGS += --no-builtin-rules
 .SUFFIXES:
 .DELETE_ON_ERROR:
 .FEATURES: output-sync
-.PHONY: all o bins check test depend tags aarch64
+.PHONY: all o bins check test depend tags aarch64 clean
 
 ifneq ($(m),)
 ifeq ($(MODE),)
@@ -431,6 +431,9 @@ aarch64: private .UNSANDBOXED = true
 aarch64:
 	$(MAKE) m=aarch64
 
+clean:
+	rm -rf o
+
 # UNSPECIFIED PREREQUISITES TUTORIAL
 #
 # A build rule must exist for all files that make needs to consider in