diff --git a/libc/private/KernelArgumentBlock.h b/libc/private/KernelArgumentBlock.h
index c8ea497..68d4999 100644
--- a/libc/private/KernelArgumentBlock.h
+++ b/libc/private/KernelArgumentBlock.h
@@ -38,32 +38,25 @@
     argv = reinterpret_cast<char**>(args + 1);
     envp = argv + argc + 1;
 
-    // Skip over all environment variable definitions to find aux vector.
-    // The end of the environment block is marked by two NULL pointers.
+    // Skip over all environment variable definitions to find the aux vector.
+    // The end of the environment block is marked by a NULL pointer.
     char** p = envp;
     while (*p != NULL) {
       ++p;
     }
-    ++p; // Skip second NULL;
+    ++p; // Skip the NULL itself.
 
     auxv = reinterpret_cast<ElfW(auxv_t)*>(p);
   }
 
   // Similar to ::getauxval but doesn't require the libc global variables to be set up,
-  // so it's safe to call this really early on. This function also lets you distinguish
-  // between the inability to find the given type and its value just happening to be 0.
-  unsigned long getauxval(unsigned long type, bool* found_match = NULL) {
+  // so it's safe to call this really early on.
+  unsigned long getauxval(unsigned long type) {
     for (ElfW(auxv_t)* v = auxv; v->a_type != AT_NULL; ++v) {
       if (v->a_type == type) {
-        if (found_match != NULL) {
-            *found_match = true;
-        }
         return v->a_un.a_val;
       }
     }
-    if (found_match != NULL) {
-      *found_match = false;
-    }
     return 0;
   }