diff --git a/include/sys/modctl.h b/include/sys/modctl.h
new file mode 100644
index 0000000000..85f936915b
--- /dev/null
+++ b/include/sys/modctl.h
@@ -0,0 +1,4 @@
+#ifndef _SPL_MODCTL_H
+#define _SPL_MODCTL_H
+
+#endif /* SPL_MODCTL_H */
diff --git a/include/sys/open.h b/include/sys/open.h
new file mode 100644
index 0000000000..eba9fa7d73
--- /dev/null
+++ b/include/sys/open.h
@@ -0,0 +1,4 @@
+#ifndef _SPL_OPEN_H
+#define _SPL_OPEN_H
+
+#endif /* SPL_OPEN_H */
diff --git a/include/sys/policy.h b/include/sys/policy.h
new file mode 100644
index 0000000000..d10d8f79fc
--- /dev/null
+++ b/include/sys/policy.h
@@ -0,0 +1,4 @@
+#ifndef _SPL_POLICY_H
+#define _SPL_POLICY_H
+
+#endif /* SPL_POLICY_H */