diff --git a/numcpus_bsd.go b/numcpus_bsd.go
index 9e77e38..efd8db0 100644
--- a/numcpus_bsd.go
+++ b/numcpus_bsd.go
@@ -13,7 +13,6 @@
 // limitations under the License.
 
 //go:build darwin || dragonfly || freebsd || netbsd || openbsd
-// +build darwin dragonfly freebsd netbsd openbsd
 
 package numcpus
 
diff --git a/numcpus_solaris.go b/numcpus_solaris.go
index a264323..f3b632f 100644
--- a/numcpus_solaris.go
+++ b/numcpus_solaris.go
@@ -13,7 +13,6 @@
 // limitations under the License.
 
 //go:build solaris
-// +build solaris
 
 package numcpus
 
diff --git a/numcpus_unsupported.go b/numcpus_unsupported.go
index 4a0b7c4..e72355e 100644
--- a/numcpus_unsupported.go
+++ b/numcpus_unsupported.go
@@ -13,7 +13,6 @@
 // limitations under the License.
 
 //go:build !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
 
 package numcpus