diff --git a/source/ftp.c b/source/ftp.c
index 53b6368..2693274 100644
--- a/source/ftp.c
+++ b/source/ftp.c
@@ -2012,12 +2012,38 @@ FTP_DECLARE(RETR)
 
 FTP_DECLARE(RMD)
 {
-  /* TODO */
+#ifdef _3DS
+  Result ret;
+#else
+  int    rc;
+#endif
+
   console_print("%s %s\n", __func__, args ? args : "");
 
   ftp_session_set_state(session, COMMAND_STATE);
 
-  return ftp_send_response(session, 502, "unavailable\r\n");
+  if(validate_path(args) != 0)
+    return ftp_send_response(session, 553, "invalid file name\r\n");
+
+  build_path(session, args);
+
+#ifdef _3DS
+  ret = FSUSER_DeleteDirectory(NULL, sdmcArchive, FS_makePath(PATH_CHAR, session->buffer));
+  if(ret != 0)
+  {
+    console_print("FSUSER_DeleteDirectory: 0x%08X\n", (unsigned int)ret);
+    return ftp_send_response(session, 550, "failed to delete directory\r\n");
+  }
+#else
+  rc = rmdir(session->buffer);
+  if(rc != 0)
+  {
+    console_print("rmdir: %s\n", strerror(errno));
+    return ftp_send_response(session, 550, "failed to delete directory\r\n");
+  }
+#endif
+
+  return ftp_send_response(session, 250, "OK\r\n");
 }
 
 FTP_DECLARE(RNFR)