diff --git a/src/userland/keyboard/main.c b/src/userland/keyboard/main.c
index 3adf12b..982a47b 100644
--- a/src/userland/keyboard/main.c
+++ b/src/userland/keyboard/main.c
@@ -7,29 +7,12 @@
 
 REQUEST(doKeyCallback, "ioManager", "keyCallback");
 
-enum {
-    MODIFIER_LEFT_SHIFT = 0,
-    MODIFIER_RIGHT_SHIFT = 1,
-    MODIFIER_LEFT_CONTROL = 2,
-    MODIFIER_RIGHT_CONTROL = 3,
-};
-
-uint32_t modifiers = 0;
-
 // will be incremented every time a key is pressed.
 volatile uint32_t repeatingThreadId = 0;
 char repeatingKey = 0;
 
 char pressedKeys[] = { 0 };
 
-void modifierUp(uint8_t modifier) {
-
-}
-
-void modifierDown(uint8_t modifier) {
-    
-}
-
 void keyUp(char keycode) {
     // 'normal' keyboards additionaly restart the key repeat for the key that was pressed before a key was let go of
     if (keycode == repeatingKey) {
@@ -38,16 +21,20 @@
     }
 }
 
-void keyRepeat(char keycode, uint32_t threadId) {
+void sendPress(uint32_t keycode) {
+    doKeyCallback(keycode, 0);
+}
+
+void keyRepeat(uint32_t keycode, uint32_t threadId) {
     sleep(500);
     while (threadId == repeatingThreadId) {
-        doKeyCallback(keycode, 0);
+        sendPress(keycode);
         sleep(50);
     }
 }
 
-void keyDown(char keycode) {
-    doKeyCallback(keycode, 0);
+void keyDown(uint32_t keycode) {
+    sendPress(keycode);
     repeatingKey = keycode;
     fork((void *)keyRepeat, PTR(keycode), PTR(++repeatingThreadId), 0);
 }
@@ -55,8 +42,6 @@
 void initialize() {
     createFunction("keyDown", (void *)keyDown);
     createFunction("keyUp", (void *)keyUp);
-    createFunction("modifierDown", (void *)modifierDown);
-    createFunction("modifierUp", (void *)modifierUp);
 }
 
 int32_t main() {