diff --git a/src/cmd/go/internal/lockedfile/internal/filelock/filelock_fcntl.go b/src/cmd/go/internal/lockedfile/internal/filelock/filelock_fcntl.go
index 09354d2306..8568048507 100644
--- a/src/cmd/go/internal/lockedfile/internal/filelock/filelock_fcntl.go
+++ b/src/cmd/go/internal/lockedfile/internal/filelock/filelock_fcntl.go
@@ -39,8 +39,6 @@ type inodeLock struct {
 	queue []<-chan File
 }
 
-type token struct{}
-
 var (
 	mu     sync.Mutex
 	inodes = map[File]inode{}