diff --git a/android/defs.go b/android/defs.go
index a7ba219a3..ec8dcf9c0 100644
--- a/android/defs.go
+++ b/android/defs.go
@@ -47,7 +47,7 @@ var (
 	// A copy rule.
 	Cp = pctx.AndroidStaticRule("Cp",
 		blueprint.RuleParams{
-			Command:     "cp $cpPreserveSymlinks $cpFlags $in $out",
+			Command:     "rm -f $out && cp $cpPreserveSymlinks $cpFlags $in $out",
 			Description: "cp $out",
 		},
 		"cpFlags")