diff --git a/src/cmd/compile/internal/base/mapfile_mmap.go b/src/cmd/compile/internal/base/mapfile_mmap.go
index 62620443f55..bbcfda244f8 100644
--- a/src/cmd/compile/internal/base/mapfile_mmap.go
+++ b/src/cmd/compile/internal/base/mapfile_mmap.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 || linux || netbsd || openbsd || (solaris && go1.20)
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || (solaris && go1.20)
 
 package base
 
diff --git a/src/cmd/compile/internal/base/mapfile_read.go b/src/cmd/compile/internal/base/mapfile_read.go
index 5ac6272dc15..c1b84db96f0 100644
--- a/src/cmd/compile/internal/base/mapfile_read.go
+++ b/src/cmd/compile/internal/base/mapfile_read.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 && !linux && !netbsd && !openbsd && !(solaris && go1.20)
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !(solaris && go1.20)
 
 package base
 
diff --git a/src/cmd/internal/bio/buf_mmap.go b/src/cmd/internal/bio/buf_mmap.go
index e428952bc9f..d089efa45ea 100644
--- a/src/cmd/internal/bio/buf_mmap.go
+++ b/src/cmd/internal/bio/buf_mmap.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 || linux || netbsd || openbsd || (solaris && go1.20)
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || (solaris && go1.20)
 
 package bio
 
diff --git a/src/cmd/internal/bio/buf_nommap.go b/src/cmd/internal/bio/buf_nommap.go
index e9048609831..5ebe906beb4 100644
--- a/src/cmd/internal/bio/buf_nommap.go
+++ b/src/cmd/internal/bio/buf_nommap.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 && !linux && !netbsd && !openbsd && !(solaris && go1.20)
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !(solaris && go1.20)
 
 package bio