diff --git a/include/patty/ax25.h b/include/patty/ax25.h
index 4490481..7b52402 100644
--- a/include/patty/ax25.h
+++ b/include/patty/ax25.h
@@ -16,10 +16,47 @@
 #include <patty/ax25/if.h>
 #include <patty/ax25/port.h>
 #include <patty/ax25/link.h>
-#include <patty/ax25/io.h>
+
+enum patty_ax25_event {
+    PATTY_AX25_IO_UNKNOWN,
+    PATTY_AX25_IO_RECV,
+    PATTY_AX25_IO_SEND,
+    PATTY_AX25_IO_READ,
+    PATTY_AX25_IO_WRITE
+};
 
 int patty_ax25_init(patty_ax25 *ax25);
 
 void patty_ax25_stop(patty_ax25 *ax25);
 
-#endif /* _PATTY_AX25_IF */
+int patty_ax25_open(patty_ax25 *ax25, const char *ifname);
+
+int patty_ax25_socket(patty_ax25 *ax25);
+
+int patty_ax25_listen(patty_ax25 *ax25,
+    int socket, const char *callsign, int ssid);
+
+int patty_ax25_connect(patty_ax25 *ax25,
+    int socket, const char *callsign, int ssid);
+
+int patty_ax25_accept(patty_ax25 *ax25,
+    int socket);
+
+int patty_ax25_close(patty_ax25 *ax25, int fd);
+
+int patty_ax25_wait(patty_ax25 *ax25,
+    int fds, enum patty_ax25_event *ev);
+
+int patty_ax25_recv(patty_ax25 *ax25,
+    int fd, patty_ax25_frame *frame);
+
+int patty_ax25_send(patty_ax25 *ax25,
+    int fd, patty_ax25_frame *frame);
+
+ssize_t patty_ax25_read(patty_ax25 *ax25,
+    int fd, void *data, size_t len);
+
+ssize_t patty_ax25_write(patty_ax25 *ax25,
+    int fd, const void *data, size_t len);
+
+#endif /* _PATTY_AX25_H */
diff --git a/include/patty/ax25/io.h b/include/patty/ax25/io.h
deleted file mode 100644
index 996fdad..0000000
--- a/include/patty/ax25/io.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef _PATTY_AX25_IO_H
-#define _PATTY_AX25_IO_H
-
-enum patty_ax25_io_event {
-    PATTY_AX25_IO_UNKNOWN,
-    PATTY_AX25_IO_RECV,
-    PATTY_AX25_IO_SEND,
-    PATTY_AX25_IO_READ,
-    PATTY_AX25_IO_WRITE
-};
-
-int patty_ax25_open(patty_ax25 *ax25, const char *ifname);
-
-int patty_ax25_socket(patty_ax25 *ax25);
-
-int patty_ax25_listen(patty_ax25 *ax25,
-    int socket, const char *callsign, int ssid);
-
-int patty_ax25_connect(patty_ax25 *ax25,
-    int socket, const char *callsign, int ssid);
-
-int patty_ax25_accept(patty_ax25 *ax25,
-    int socket);
-
-int patty_ax25_close(patty_ax25 *ax25, int fd);
-
-int patty_ax25_wait(patty_ax25 *ax25,
-    int fds, enum patty_ax25_io_event *ev);
-
-int patty_ax25_recv(patty_ax25 *ax25,
-    int fd, patty_ax25_frame *frame);
-
-int patty_ax25_send(patty_ax25 *ax25,
-    int fd, patty_ax25_frame *frame);
-
-ssize_t patty_ax25_read(patty_ax25 *ax25,
-    int fd, void *data, size_t len);
-
-ssize_t patty_ax25_write(patty_ax25 *ax25,
-    int fd, const void *data, size_t len);
-
-#endif /* _PATTY_AX25_IO_H */