diff --git a/src/os/user/cgo_listgroups_unix.go b/src/os/user/cgo_listgroups_unix.go
index 59636954b2..6b88f30c55 100644
--- a/src/os/user/cgo_listgroups_unix.go
+++ b/src/os/user/cgo_listgroups_unix.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 (cgo || darwin) && !osusergo && (darwin || dragonfly || freebsd || (linux && !android) || netbsd || openbsd || (solaris && !illumos))
+//go:build (cgo || darwin) && !osusergo && (darwin || dragonfly || freebsd || (linux && !android) || netbsd || openbsd || solaris)
 
 package user
 
diff --git a/src/os/user/getgrouplist_unix.go b/src/os/user/getgrouplist_unix.go
index fb482d35ba..81b4cb74f9 100644
--- a/src/os/user/getgrouplist_unix.go
+++ b/src/os/user/getgrouplist_unix.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 cgo && !osusergo && (dragonfly || freebsd || (!android && linux) || netbsd || openbsd || (solaris && !illumos))
+//go:build cgo && !osusergo && (dragonfly || freebsd || (!android && linux) || netbsd || openbsd || solaris)
 
 package user
 
diff --git a/src/os/user/listgroups_unix.go b/src/os/user/listgroups_unix.go
index 67bd8a776e..570926fae0 100644
--- a/src/os/user/listgroups_unix.go
+++ b/src/os/user/listgroups_unix.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 ((darwin || dragonfly || freebsd || (js && wasm) || wasip1 || (!android && linux) || netbsd || openbsd || solaris) && ((!cgo && !darwin) || osusergo)) || aix || illumos
+//go:build ((darwin || dragonfly || freebsd || (js && wasm) || wasip1 || (!android && linux) || netbsd || openbsd || solaris) && ((!cgo && !darwin) || osusergo)) || aix
 
 package user
 
diff --git a/src/os/user/listgroups_unix_test.go b/src/os/user/listgroups_unix_test.go
index 9619462cec..252eef07ee 100644
--- a/src/os/user/listgroups_unix_test.go
+++ b/src/os/user/listgroups_unix_test.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 ((darwin || dragonfly || freebsd || (js && wasm) || wasip1 || (!android && linux) || netbsd || openbsd || solaris) && ((!cgo && !darwin) || osusergo)) || aix || illumos
+//go:build ((darwin || dragonfly || freebsd || (js && wasm) || wasip1 || (!android && linux) || netbsd || openbsd || solaris) && ((!cgo && !darwin) || osusergo)) || aix
 
 package user