diff --git a/src/cmd/compile/internal/gc/plive.go b/src/cmd/compile/internal/gc/plive.go
index bd54e6a34a..03243e9d6b 100644
--- a/src/cmd/compile/internal/gc/plive.go
+++ b/src/cmd/compile/internal/gc/plive.go
@@ -74,9 +74,6 @@ type progeffectscache struct {
 	textavarinit []int32
 	retuevar     []int32
 	tailuevar    []int32
-	uevar        [3]int32
-	varkill      [3]int32
-	avarinit     [3]int32
 	initialized  bool
 }