diff --git a/src/internal/poll/export_posix_test.go b/src/internal/poll/export_posix_test.go
new file mode 100644
index 0000000000..73b2c11e1e
--- /dev/null
+++ b/src/internal/poll/export_posix_test.go
@@ -0,0 +1,15 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+
+// Export guts for testing on posix.
+// Since testing imports os and os imports internal/poll,
+// the internal/poll tests can not be in package poll.
+
+package poll
+
+func (fd *FD) EOFError(n int, err error) error {
+	return fd.eofError(n, err)
+}
diff --git a/src/internal/poll/export_test.go b/src/internal/poll/export_test.go
index ec658fd357..02664d9ea3 100644
--- a/src/internal/poll/export_test.go
+++ b/src/internal/poll/export_test.go
@@ -33,7 +33,3 @@ func (mu *FDMutex) RWLock(read bool) bool {
 func (mu *FDMutex) RWUnlock(read bool) bool {
 	return mu.rwunlock(read)
 }
-
-func (fd *FD) EOFError(n int, err error) error {
-	return fd.eofError(n, err)
-}