diff --git a/include/osmocom/core/macaddr.h b/include/osmocom/core/macaddr.h
index 3a4e67f..8de6238 100644
--- a/include/osmocom/core/macaddr.h
+++ b/include/osmocom/core/macaddr.h
@@ -1,7 +1,4 @@
-#ifndef _OSMO_MACADDR_H
-#define _OSMO_MACADDR_H
+#pragma once
 
 int osmo_macaddr_parse(uint8_t *out, const char *in);
 int osmo_get_macaddr(uint8_t *mac_out, const char *dev_name);
-
-#endif
diff --git a/include/osmocom/ctrl/control_cmd.h b/include/osmocom/ctrl/control_cmd.h
index e38db03..9e94963 100644
--- a/include/osmocom/ctrl/control_cmd.h
+++ b/include/osmocom/ctrl/control_cmd.h
@@ -1,5 +1,4 @@
-#ifndef _CONTROL_CMD_H
-#define _CONTROL_CMD_H
+#pragma once
 
 #include <osmocom/core/msgb.h>
 #include <osmocom/core/talloc.h>
@@ -174,5 +173,3 @@
 CTRL_CMD_DEFINE_STRUCT(cmdname, cmdstr, verify_##cmdname)
 
 struct gsm_network;
-
-#endif /* _CONTROL_CMD_H */
diff --git a/include/osmocom/ctrl/control_if.h b/include/osmocom/ctrl/control_if.h
index 3ac8bb6..00caacc 100644
--- a/include/osmocom/ctrl/control_if.h
+++ b/include/osmocom/ctrl/control_if.h
@@ -1,5 +1,4 @@
-#ifndef _CONTROL_IF_H
-#define _CONTROL_IF_H
+#pragma once
 
 #include <osmocom/core/write_queue.h>
 #include <osmocom/ctrl/control_cmd.h>
@@ -25,6 +24,3 @@
 					 ctrl_cmd_lookup lookup);
 
 int ctrl_cmd_handle(struct ctrl_handle *ctrl, struct ctrl_cmd *cmd, void *data);
-
-#endif /* _CONTROL_IF_H */
-