diff --git a/src/internal/bytealg/index_ppc64x.go b/src/internal/bytealg/index_ppc64x.go
index ab3cbe5e96..720d51748d 100644
--- a/src/internal/bytealg/index_ppc64x.go
+++ b/src/internal/bytealg/index_ppc64x.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 (aix || linux) && (ppc64 || ppc64le)
+//go:build ppc64 || ppc64le
 
 package bytealg