diff --git a/c_os/kernel/allocator/TreeAllocator.cc b/c_os/kernel/allocator/TreeAllocator.cc
index 3ee45e6..9c7c6bd 100755
--- a/c_os/kernel/allocator/TreeAllocator.cc
+++ b/c_os/kernel/allocator/TreeAllocator.cc
@@ -3,7 +3,6 @@
 #include <stddef.h>
 
 // NOTE: I added this file
-// TODO: Make output toggleable
 
 void TreeAllocator::init() {
     this->free_start = (tree_block_t*)this->heap_start;
diff --git a/c_os/kernel/interrupts/PIC.cc b/c_os/kernel/interrupts/PIC.cc
index e582151..8f7c95f 100755
--- a/c_os/kernel/interrupts/PIC.cc
+++ b/c_os/kernel/interrupts/PIC.cc
@@ -91,9 +91,6 @@ bool PIC::status(int irq) {
 
     /* hier muss Code eingefuegt werden */
 
-    // TODO: How is IRQ2 handled (Slave PIC)?
-    //       Does masking IRQ2 disable the whole slave?
-
     unsigned char IMR;
     if (irq < 8) {
         // PIC 1
diff --git a/c_os/kernel/threads/IdleThread.h b/c_os/kernel/threads/IdleThread.h
index 26bf09f..88315e4 100644
--- a/c_os/kernel/threads/IdleThread.h
+++ b/c_os/kernel/threads/IdleThread.h
@@ -24,7 +24,7 @@ public:
     void run() override {
         while (true) {
             scheduler.yield();
-            kout << "Idle!" << endl;
+            // kout << "Idle!" << endl;
         }
     }
 };