diff --git a/interp/os_notunix.go b/interp/os_notunix.go
index 8aef4a56..66ed777a 100644
--- a/interp/os_notunix.go
+++ b/interp/os_notunix.go
@@ -7,7 +7,6 @@ package interp
 
 import (
 	"fmt"
-	"os"
 )
 
 func mkfifo(path string, mode uint32) error {