diff --git a/misc/cgo/test/issue21897.go b/misc/cgo/test/issue21897.go
index 454a141827..d13246bd84 100644
--- a/misc/cgo/test/issue21897.go
+++ b/misc/cgo/test/issue21897.go
@@ -2,16 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// We skip this test in race mode because, for unknown reasons,
-// linking against CoreFoundation on macOS 10.10 causes mmap to ignore
-// the hint address, which makes the Go allocator incompatible with
-// TSAN. See golang.org/issue/26475.
-//
-// TODO(austin): Once support for macOS 10.10 is dropped, remove the
-// race constraint (and the one in issue21897b.go). See
-// golang.org/issue/26513.
-
-// +build darwin,cgo,!internal,!race
+// +build darwin,cgo,!internal
 
 package cgotest
 
diff --git a/misc/cgo/test/issue21897b.go b/misc/cgo/test/issue21897b.go
index e143bad086..08b5f4d808 100644
--- a/misc/cgo/test/issue21897b.go
+++ b/misc/cgo/test/issue21897b.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.
 
-// +build !darwin !cgo internal race
+// +build !darwin !cgo internal
 
 package cgotest
 
diff --git a/misc/cgo/test/testdata/issue24161_darwin_test.go b/misc/cgo/test/testdata/issue24161_darwin_test.go
index 64f4442856..e60eb4e917 100644
--- a/misc/cgo/test/testdata/issue24161_darwin_test.go
+++ b/misc/cgo/test/testdata/issue24161_darwin_test.go
@@ -2,14 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// See issue21897.go and golang.org/issue/26475 for why this is
-// skipped in race mode.
-//
-// TODO(austin): Once support for macOS 10.10 is dropped, remove the
-// race constraint. See golang.org/issue/26513.
-
-// +build !race
-
 package cgotest
 
 import (