diff --git a/AK/Format.cpp b/AK/Format.cpp
index 181398145af..f8083a5ff59 100644
--- a/AK/Format.cpp
+++ b/AK/Format.cpp
@@ -12,7 +12,6 @@
 #include <AK/String.h>
 #include <AK/StringBuilder.h>
 #include <AK/StringFloatingPointConversions.h>
-#include <AK/kstdio.h>
 #include <math.h>
 #include <stdio.h>
 #include <string.h>
@@ -1210,7 +1209,7 @@ void vdbg(StringView fmtstr, TypeErasedFormatParams& params, bool newline)
 #ifdef AK_OS_ANDROID
     __android_log_write(ANDROID_LOG_DEBUG, s_log_tag_name, string.characters_without_null_termination());
 #else
-    dbgputstr(string.characters_without_null_termination(), string.length());
+    [[maybe_unused]] auto rc = write(STDERR_FILENO, string.characters_without_null_termination(), string.length());
 #endif
 }
 
diff --git a/AK/kstdio.h b/AK/kstdio.h
deleted file mode 100644
index 6d8478b5440..00000000000
--- a/AK/kstdio.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <AK/Platform.h>
-
-#ifdef AK_OS_SERENITY
-#    include <AK/Types.h>
-#    include <stdarg.h>
-extern "C" {
-void dbgputstr(char const*, size_t);
-int sprintf(char* buf, char const* fmt, ...) __attribute__((format(printf, 2, 3)));
-int snprintf(char* buffer, size_t, char const* fmt, ...) __attribute__((format(printf, 3, 4)));
-}
-#else
-#    include <stdio.h>
-inline void dbgputstr(char const* characters, size_t length)
-{
-    fwrite(characters, 1, length, stderr);
-}
-#endif
-template<size_t N>
-inline void dbgputstr(char const (&array)[N])
-{
-    return ::dbgputstr(array, N);
-}
diff --git a/Meta/gn/secondary/AK/BUILD.gn b/Meta/gn/secondary/AK/BUILD.gn
index 96099f0bb2f..ab357a9ca32 100644
--- a/Meta/gn/secondary/AK/BUILD.gn
+++ b/Meta/gn/secondary/AK/BUILD.gn
@@ -209,7 +209,6 @@ shared_library("AK") {
     "Weakable.h",
     "kmalloc.cpp",
     "kmalloc.h",
-    "kstdio.h",
   ]
 }