diff --git a/kern/libkern/limits.h b/kern/libkern/limits.h
deleted file mode 100644
index de21df2..0000000
--- a/kern/libkern/limits.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Support signed or unsigned plain-char */
-
-#if '\xff' > 0
-#define CHAR_MIN 0
-#define CHAR_MAX 255
-#else
-#define CHAR_MIN (-128)
-#define CHAR_MAX 127
-#endif
-
-#define CHAR_BIT   8
-#define SCHAR_MIN  (-128)
-#define SCHAR_MAX  127
-#define UCHAR_MAX  255
-#define SHRT_MIN   (-1 - 0x7fff)
-#define SHRT_MAX   0x7fff
-#define USHRT_MAX  0xffff
-#define INT_MIN    (-1 - 0x7fffffff)
-#define INT_MAX    0x7fffffff
-#define UINT_MAX   0xffffffffU
-#define LONG_MIN   (-LONG_MAX - 1)
-#define LONG_MAX   __LONG_MAX
-#define ULONG_MAX  (2UL * LONG_MAX + 1)
-#define LLONG_MIN  (-LLONG_MAX - 1)
-#define LLONG_MAX  0x7fffffffffffffffLL
-#define ULLONG_MAX (2ULL * LLONG_MAX + 1)
diff --git a/kern/libkern/string.c b/kern/libkern/string.c
index 90d852f..0d37792 100644
--- a/kern/libkern/string.c
+++ b/kern/libkern/string.c
@@ -154,10 +154,15 @@ char *itoa(int value, char *str, int base) {
     return str;
 }
 
-int memcmp(const void *vl, const void *vr, size_t n) {
-    const unsigned char *l = vl, *r = vr;
-    for (; n && *l == *r; n--, l++, r++);
-    return n ? *l - *r : 0;
+int memcmp(const void *s1, const void *s2, size_t len) {
+    const u8 *a = (const u8 *)s1;
+    const u8 *b = (const u8 *)s2;
+    for (size_t i = 0; i < len; i++) {
+        if (a[i] != b[i]) {
+            return (int)a[i] - (int)b[i];
+        }
+    }
+    return 0;
 }
 
 size_t strlen(const char *s) {
diff --git a/kern/start.c b/kern/start.c
index 7d0e855..c892765 100644
--- a/kern/start.c
+++ b/kern/start.c
@@ -2,7 +2,6 @@
 #include <banner.h>
 #include <buddy.h>
 #include <config.h>
-#include <freelist.h>
 #include <memory.h>
 #include <panic.h>
 #include <proc.h>
@@ -12,7 +11,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <uart.h>
-#include <util.h>
 
 /**
  * Allocate one stack per CPU (hart).
@@ -41,7 +39,7 @@ void start() {
     // cpu (struct Cpu).
     write_tp(id);
 
-    if (unlikely(id == 0)) {
+    if (id == 0) {
         /* Here we will do a bunch of initialization steps */
         memory_sweep(heap_start, heap_end);
         buddy_init(heap_start, heap_end);
@@ -62,23 +60,6 @@ void start() {
         else
             PANIC("Some cores seem to have been enumerated incorrectly!\n");
 
-        {
-            FreeList fl;
-            void    *mem = buddy_alloc(4096);
-            fl_init(&fl, (uintptr_t)mem, 4096, sizeof(int));
-
-            uint32_t *hello = fl_alloc(&fl);
-
-            *hello = UINT32_MAX;
-
-            int a = fl_available(&fl);
-            assert_msg(fl_check(&fl) > 0, "FreeList checking failed, might be corrupt.");
-            kprintf("Available: %d\n", a);
-            kprintf("Size: %d\n", fl.size);
-
-            buddy_free(mem);
-        }
-
         kprintf("To exit qemu, press CTRL+a followed by x\n");
         spin_unlock(&sl);
     }