diff --git a/proto/sandbox/rst/animation/HeadAnimation.proto b/proto/sandbox/rst/animation/HeadAnimation.proto
deleted file mode 100644
index 55896ae..0000000
--- a/proto/sandbox/rst/animation/HeadAnimation.proto
+++ /dev/null
@@ -1,57 +0,0 @@
-package rst.animation;
-
-option java_outer_classname = "HeadAnimationType";
-
-/**
- * This type describes a set of simple Headanimations to be executed
- * on a humanoid robotic head.
- *
- * @author Simon Schulz <sschulz@techfak.uni-bielefeld.de>
- */
-message HeadAnimation {
-
-    /**
-     * some predefined animations (stupid: we have to use AnimationType_t because of java outer classname conflict)
-     */
-    enum HeadAnimationID {
-        IDLE  		= 0; //no animation, idle
-        HEAD_NOD   	= 1; //nod
-        HEAD_SHAKE 	= 2; //shake
-        EYEBLINK_L 	= 3; //blink with the left eye
-        EYEBLINK_R 	= 4; //blink with the right eye
-        EYEBLINK_BOTH 	= 5; //blink with both eyes
-        EYEBROWS_RAISE 	= 6; //raise both eyebrows
-        EYEBROWS_LOWER 	= 7; //lower the eyebrows
-        ENGAGEMENT_LEFT = 8; //shift the head orientation to the left
-        ENGAGEMENT_RIGHT = 9; //shift the head orientation to the right
-    }
-
-    /**
-    * Requested Headanimation
-    */
-    required HeadAnimationID target = 1;
-
-    /**
-    * Number of repetitions, defaults to one repetition
-    */
-    required uint32 repetitions   = 2 [default = 1];
-
-    /**
-    * The duration of each animation. This scales how long one animation takes
-    *
-    * The duration is given in milliseconds.
-    */
-    // @unit(millisecond)
-    required uint32 duration_each = 3;
-
-    /**
-    * How to scale the animation. The default of 1.0 executes the animation 1:1
-    *
-    * given as a float value: 
-    * ]0, 1[  => less pronounced
-    * [1, 1]  => normal version
-    * ]1, n]  => over pronounced
-    * [-n, 0] => undefined / ignored
-    */
-    required float  scale         = 4 [default = 1.0];
-}
diff --git a/proto/sandbox/rst/robot/EmotionExpression.proto b/proto/sandbox/rst/robot/EmotionExpression.proto
deleted file mode 100644
index dd916c6..0000000
--- a/proto/sandbox/rst/robot/EmotionExpression.proto
+++ /dev/null
@@ -1,37 +0,0 @@
-package rst.robot;
-
-option java_outer_classname = "EmotionExpression";
-
-/**
- * Emotional expressions for humanoid robotic heads
- *
- * @author Simon Schulz <sschulz@techfak.uni-bielefeld.de>
- */
-message EmotionExpression {
-
-    /**
-     * for now we just use fixed, simple basic emotion states
-     */
-    enum EmotionID {
-        NEUTRAL  = 0; 
-        HAPPY    = 1; 
-        SAD      = 2; 
-        ANGRY    = 3;
-        SURPRISED = 4;
-        FEAR     = 5;
-    }
-
-    /**
-    * which expression to show
-    */
-    required EmotionID value = 1;
-
-    /**
-    * The duration how long this emotion should be displayed.
-    *
-    * The duration is given in milliseconds.
-    */
-    // @unit(millisecond)
-    required uint32 duration = 2;
-
-}
diff --git a/proto/sandbox/rst/robot/GazeDirection.proto b/proto/sandbox/rst/robot/GazeDirection.proto
deleted file mode 100644
index 796e3ae..0000000
--- a/proto/sandbox/rst/robot/GazeDirection.proto
+++ /dev/null
@@ -1,41 +0,0 @@
-package rst.robot;
-
-option java_outer_classname = "GazeDirection";
-
-import "rst/math/Vec3DFloat.proto";
-
-/**
- * Gaze direction target for robotic head 
- *
- * @author Simon Schulz <sschulz@techfak.uni-bielefeld.de>
- */
-message GazeDirection {
-    /**
-     * Gaze target direction:
-     * @ref .x -> pan : head pan  rotation angle. positive = person looks to his right side
-     * @ref .y -> tilt: head tilt rotation angle. positive = person looks up
-     * @ref .z -> roll: head roll rotation angle. positive = person's head rolled to his right shoulder
-     * Angles are given in degrees
-     */
-    required math.Vec3DFloat direction = 1;
-
-    /**
-    * Vergence angle. This describes how both eyes deviate from a straight view.
-    * The default of 0.0 describes a straight, parallel gaze.
-    * Angle is given in degrees
-    */
-    required float eye_vergence = 2 [default = 0.0];
-
-
-    /**
-    * Offset angles describing how much the angular Head deflection is offset
-    * from the gaze target while the overall gaze (Head + Eyes) will still point to the requested
-    * target
-    * @ref .x -> pan offset : head pan  rotation angle offset. positive = person looks to his right side
-    * @ref .y -> tilt offset: head tilt rotation angle offset. positive = person looks up
-    * @ref .z -> roll offset: head roll rotation angle offset. positive = person's head rolled to his right shoulder
-    * Default of Vec3DFloat is [0,0,0], this corresponds to no offset.
-    * Angles are given in degrees
-    */
-    required float math.Vec3DFloat offset = 3; 
-}