diff --git a/common/controller_teensy.h b/common/controller_teensy.h
deleted file mode 100644
index 6c3f47ce..00000000
--- a/common/controller_teensy.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef TEENSY_H
-#define TEENSY_H 1
-
-// for Teensy/Teensy++ 2.0
-#define DEBUG_LED 1
-#define DEBUG_LED_CONFIG    (DDRD |= (1<<6))
-#define DEBUG_LED_ON        (PORTD |= (1<<6))
-#define DEBUG_LED_OFF       (PORTD &= ~(1<<6))
-
-#endif