diff --git a/buildlet/ec2.go b/buildlet/ec2.go
index bb430b5..b6e6b45 100644
--- a/buildlet/ec2.go
+++ b/buildlet/ec2.go
@@ -58,9 +58,6 @@
 	if opts.Description == "" {
 		opts.Description = fmt.Sprintf("Go Builder for %s", hostType)
 	}
-	if opts.Zone == "" {
-		opts.Zone = buildEnv.RandomEC2VMZone()
-	}
 	if opts.DeleteIn == 0 {
 		opts.DeleteIn = 30 * time.Minute
 	}