diff --git a/AK/Tests/TestJSON.cpp b/AK/Tests/TestJSON.cpp
index 5d910b8b4b..447e5acf33 100644
--- a/AK/Tests/TestJSON.cpp
+++ b/AK/Tests/TestJSON.cpp
@@ -62,7 +62,6 @@ TEST_CASE(load_form)
         auto& widget_object = widget_value.as_object();
         auto widget_class = widget_object.get("class").as_string();
         widget_object.for_each_member([&]([[maybe_unused]] auto& property_name, [[maybe_unused]] const JsonValue& property_value) {
-            //dbgprintf("Set property %s.%s to '%s'\n", widget_class.characters(), property_name.characters(), property_value.serialized().characters());
         });
     });
 }
diff --git a/AK/kstdio.h b/AK/kstdio.h
index 6702a47e30..d1c84bf79b 100644
--- a/AK/kstdio.h
+++ b/AK/kstdio.h
@@ -33,8 +33,6 @@
 #        include <AK/Types.h>
 #        include <stdarg.h>
 extern "C" {
-int vdbgprintf(const char* fmt, va_list) __attribute__((format(printf, 1, 0)));
-int dbgprintf(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
 int dbgputstr(const char*, ssize_t);
 int sprintf(char* buf, const char* fmt, ...) __attribute__((format(printf, 2, 3)));
 int snprintf(char* buffer, size_t, const char* fmt, ...) __attribute__((format(printf, 3, 4)));
@@ -43,7 +41,6 @@ int snprintf(char* buffer, size_t, const char* fmt, ...) __attribute__((format(p
 #else
 #    include <stdio.h>
 #    define kprintf printf
-#    define dbgprintf(...) fprintf(stderr, __VA_ARGS__)
 inline int dbgputstr(const char* characters, ssize_t length)
 {
     fwrite(characters, 1, length, stderr);
diff --git a/Userland/Libraries/LibC/stdio.cpp b/Userland/Libraries/LibC/stdio.cpp
index c609894c45..cecb0aef2a 100644
--- a/Userland/Libraries/LibC/stdio.cpp
+++ b/Userland/Libraries/LibC/stdio.cpp
@@ -841,20 +841,6 @@ void rewind(FILE* stream)
     ASSERT(rc == 0);
 }
 
-int vdbgprintf(const char* fmt, va_list ap)
-{
-    return printf_internal([](char*&, char ch) { dbgputch(ch); }, nullptr, fmt, ap);
-}
-
-int dbgprintf(const char* fmt, ...)
-{
-    va_list ap;
-    va_start(ap, fmt);
-    int ret = printf_internal([](char*&, char ch) { dbgputch(ch); }, nullptr, fmt, ap);
-    va_end(ap);
-    return ret;
-}
-
 ALWAYS_INLINE void stdout_putch(char*&, char ch)
 {
     putchar(ch);
diff --git a/Userland/Libraries/LibC/stdio.h b/Userland/Libraries/LibC/stdio.h
index 0ad52afc96..cc76741d0b 100644
--- a/Userland/Libraries/LibC/stdio.h
+++ b/Userland/Libraries/LibC/stdio.h
@@ -93,8 +93,6 @@ int vsprintf(char* buffer, const char* fmt, va_list) __attribute__((format(print
 int vsnprintf(char* buffer, size_t, const char* fmt, va_list) __attribute__((format(printf, 3, 0)));
 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)));