diff --git a/src/os/wait_unimp.go b/src/os/wait_unimp.go
index 721b9f9f7e..bc93e44cf9 100644
--- a/src/os/wait_unimp.go
+++ b/src/os/wait_unimp.go
@@ -6,7 +6,7 @@
 // waitid/wait6. netbsd implements wait6, but that is causing test
 // failures, see issue #48789.
 
-//go:build aix || darwin || (js && wasm) || netbsd || openbsd || solaris
+//go:build aix || darwin || (js && wasm) || openbsd || solaris
 
 package os
 
diff --git a/src/os/wait_wait6.go b/src/os/wait_wait6.go
index d395dac40b..1464576b7c 100644
--- a/src/os/wait_wait6.go
+++ b/src/os/wait_wait6.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build dragonfly || freebsd
+//go:build dragonfly || freebsd || netbsd
 
 package os