diff --git a/internal/fd/sys_unix.go b/internal/fd/sys_unix.go
index 9c96576..ce3e52d 100644
--- a/internal/fd/sys_unix.go
+++ b/internal/fd/sys_unix.go
@@ -1,5 +1,4 @@
 //go:build linux || darwin
-// +build linux darwin
 
 // Package fd provides filesystem descriptor count for different architectures.
 package fd