diff --git a/AK/PrintfImplementation.h b/AK/PrintfImplementation.h
index df22925735..92dc9681ee 100644
--- a/AK/PrintfImplementation.h
+++ b/AK/PrintfImplementation.h
@@ -26,10 +26,8 @@
 
 #pragma once
 
-#include <AK/Assertions.h>
-#include <AK/LogStream.h>
+#include <AK/Format.h>
 #include <AK/StdLibExtras.h>
-#include <AK/StringBuilder.h>
 #include <AK/Types.h>
 #include <stdarg.h>
 
diff --git a/Userland/Libraries/LibC/stdio.h b/Userland/Libraries/LibC/stdio.h
index 56d0feb642..0ad52afc96 100644
--- a/Userland/Libraries/LibC/stdio.h
+++ b/Userland/Libraries/LibC/stdio.h
@@ -94,6 +94,7 @@ int vsnprintf(char* buffer, size_t, const char* fmt, va_list) __attribute__((for
 int fprintf(FILE*, const char* fmt, ...) __attribute__((format(printf, 2, 3)));
 int printf(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
 int dbgprintf(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
+int vdbgprintf(const char* fmt, va_list ap);
 void dbgputch(char);
 int dbgputstr(const char*, ssize_t);
 int sprintf(char* buffer, const char* fmt, ...) __attribute__((format(printf, 2, 3)));