diff --git a/src/runtime/signal_unix.go b/src/runtime/signal_unix.go
index bf4a319b37..6aad079f03 100644
--- a/src/runtime/signal_unix.go
+++ b/src/runtime/signal_unix.go
@@ -350,17 +350,6 @@ const preemptMSupported = true
 // safe-point, it will preempt the goroutine. It always atomically
 // increments mp.preemptGen after handling a preemption request.
 func preemptM(mp *m) {
-	if (GOOS == "darwin" || GOOS == "ios") && GOARCH == "arm64" && !iscgo {
-		// On darwin, we use libc calls, and cgo is required on ARM64
-		// so we have TLS set up to save/restore G during C calls. If cgo is
-		// absent, we cannot save/restore G in TLS, and if a signal is
-		// received during C execution we cannot get the G. Therefore don't
-		// send signals.
-		// This can only happen in the go_bootstrap program (otherwise cgo is
-		// required).
-		return
-	}
-
 	// On Darwin, don't try to preempt threads during exec.
 	// Issue #41702.
 	if GOOS == "darwin" {