diff --git a/src/cmd/internal/objabi/stack.go b/src/cmd/internal/objabi/stack.go
index 05a1d4a4b58..1f531176cc6 100644
--- a/src/cmd/internal/objabi/stack.go
+++ b/src/cmd/internal/objabi/stack.go
@@ -13,10 +13,6 @@ const (
 	StackSmall  = 128
 )
 
-const (
-	StackPreempt = -1314 // 0xfff...fade
-)
-
 // Initialize StackGuard and StackLimit according to target system.
 var StackGuard = 928*stackGuardMultiplier() + StackSystem
 var StackLimit = StackGuard - StackSystem - StackSmall