diff --git a/cmd/mkmanifest/main.go b/cmd/mkmanifest/main.go
index 7209fe3b7..fb3c729f1 100644
--- a/cmd/mkmanifest/main.go
+++ b/cmd/mkmanifest/main.go
@@ -19,7 +19,7 @@ func main() {
 
 	arch := winres.Arch(os.Args[1])
 	switch arch {
-	case winres.ArchAMD64, winres.ArchARM64, winres.ArchI386, winres.ArchARM:
+	case winres.ArchAMD64, winres.ArchARM64, winres.ArchI386:
 	default:
 		log.Fatalf("unsupported arch: %s", arch)
 	}
diff --git a/cmd/tailscale/generate.go b/cmd/tailscale/generate.go
index 377ccd5e9..5c2e9be91 100644
--- a/cmd/tailscale/generate.go
+++ b/cmd/tailscale/generate.go
@@ -6,4 +6,3 @@
 //go:generate go run tailscale.com/cmd/mkmanifest amd64 windows-manifest.xml manifest_windows_amd64.syso
 //go:generate go run tailscale.com/cmd/mkmanifest 386 windows-manifest.xml manifest_windows_386.syso
 //go:generate go run tailscale.com/cmd/mkmanifest arm64 windows-manifest.xml manifest_windows_arm64.syso
-//go:generate go run tailscale.com/cmd/mkmanifest arm windows-manifest.xml manifest_windows_arm.syso
diff --git a/cmd/tailscale/manifest_windows_arm.syso b/cmd/tailscale/manifest_windows_arm.syso
deleted file mode 100644
index 1a92ede02..000000000
Binary files a/cmd/tailscale/manifest_windows_arm.syso and /dev/null differ
diff --git a/cmd/tailscaled/generate.go b/cmd/tailscaled/generate.go
index 377ccd5e9..5c2e9be91 100644
--- a/cmd/tailscaled/generate.go
+++ b/cmd/tailscaled/generate.go
@@ -6,4 +6,3 @@
 //go:generate go run tailscale.com/cmd/mkmanifest amd64 windows-manifest.xml manifest_windows_amd64.syso
 //go:generate go run tailscale.com/cmd/mkmanifest 386 windows-manifest.xml manifest_windows_386.syso
 //go:generate go run tailscale.com/cmd/mkmanifest arm64 windows-manifest.xml manifest_windows_arm64.syso
-//go:generate go run tailscale.com/cmd/mkmanifest arm windows-manifest.xml manifest_windows_arm.syso
diff --git a/cmd/tailscaled/manifest_windows_arm.syso b/cmd/tailscaled/manifest_windows_arm.syso
deleted file mode 100644
index 1a92ede02..000000000
Binary files a/cmd/tailscaled/manifest_windows_arm.syso and /dev/null differ