diff --git a/AK/Memory.h b/AK/Memory.h
index b891a9b072..e3af860807 100644
--- a/AK/Memory.h
+++ b/AK/Memory.h
@@ -12,7 +12,6 @@
 #if defined(KERNEL)
 #    include <Kernel/StdLib.h>
 #else
-#    include <stdlib.h>
 #    include <string.h>
 #endif
 
diff --git a/Tests/Kernel/TestMemoryDeviceMmap.cpp b/Tests/Kernel/TestMemoryDeviceMmap.cpp
index 40a983dce4..afa9f096cd 100644
--- a/Tests/Kernel/TestMemoryDeviceMmap.cpp
+++ b/Tests/Kernel/TestMemoryDeviceMmap.cpp
@@ -11,7 +11,6 @@
 #include <fcntl.h>
 #include <inttypes.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
diff --git a/Tests/Kernel/crash-fcntl-invalid-cmd.cpp b/Tests/Kernel/crash-fcntl-invalid-cmd.cpp
index cd81095c58..076113e226 100644
--- a/Tests/Kernel/crash-fcntl-invalid-cmd.cpp
+++ b/Tests/Kernel/crash-fcntl-invalid-cmd.cpp
@@ -8,7 +8,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
 
 int main(int, char**)
diff --git a/Tests/LibC/TestLibCInodeWatcher.cpp b/Tests/LibC/TestLibCInodeWatcher.cpp
index 3c8b604411..285bc23df3 100644
--- a/Tests/LibC/TestLibCInodeWatcher.cpp
+++ b/Tests/LibC/TestLibCInodeWatcher.cpp
@@ -11,7 +11,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
 #include <utime.h>
 
diff --git a/Tests/LibC/TestScanf.cpp b/Tests/LibC/TestScanf.cpp
index 7e8623b16c..4905d940e7 100644
--- a/Tests/LibC/TestScanf.cpp
+++ b/Tests/LibC/TestScanf.cpp
@@ -8,7 +8,6 @@
 
 #include <AK/Array.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 
 typedef long double longdouble;
diff --git a/Tests/LibGfx/TestImageDecoder.cpp b/Tests/LibGfx/TestImageDecoder.cpp
index aedfcd329c..366f2f0052 100644
--- a/Tests/LibGfx/TestImageDecoder.cpp
+++ b/Tests/LibGfx/TestImageDecoder.cpp
@@ -18,7 +18,6 @@
 #include <LibGfx/PPMLoader.h>
 #include <LibTest/TestCase.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 
 TEST_CASE(test_bmp)
diff --git a/Tests/UserspaceEmulator/ue-write-oob.cpp b/Tests/UserspaceEmulator/ue-write-oob.cpp
index 70663a24f8..a6b251fd76 100644
--- a/Tests/UserspaceEmulator/ue-write-oob.cpp
+++ b/Tests/UserspaceEmulator/ue-write-oob.cpp
@@ -8,7 +8,6 @@
 #include <LibCore/ArgsParser.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <sys/mman.h>
 
 static void write8(void* ptr) { *(uint8_t volatile*)ptr = 1; }
diff --git a/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp b/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp
index d25eee8c88..dff9615e3c 100644
--- a/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp
+++ b/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp
@@ -16,7 +16,6 @@
 #include <LibGUI/Painter.h>
 #include <LibGfx/Font/FontDatabase.h>
 #include <LibGfx/StylePainter.h>
-#include <stdlib.h>
 
 REGISTER_WIDGET(SystemMonitor, MemoryStatsWidget)
 
diff --git a/Userland/Demos/Cube/Cube.cpp b/Userland/Demos/Cube/Cube.cpp
index 82f188f5bf..8e47f8f53e 100644
--- a/Userland/Demos/Cube/Cube.cpp
+++ b/Userland/Demos/Cube/Cube.cpp
@@ -21,7 +21,6 @@
 #include <LibGfx/Vector3.h>
 #include <LibMain/Main.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
 
 int const WIDTH = 200;
diff --git a/Userland/DevTools/Inspector/RemoteProcess.cpp b/Userland/DevTools/Inspector/RemoteProcess.cpp
index d3787130de..636579eace 100644
--- a/Userland/DevTools/Inspector/RemoteProcess.cpp
+++ b/Userland/DevTools/Inspector/RemoteProcess.cpp
@@ -8,7 +8,6 @@
 #include "RemoteObject.h"
 #include "RemoteObjectGraphModel.h"
 #include "RemoteObjectPropertyModel.h"
-#include <stdlib.h>
 
 namespace Inspector {
 
diff --git a/Userland/Libraries/LibC/crt0_shared.cpp b/Userland/Libraries/LibC/crt0_shared.cpp
index d763a6f696..b3ca3a5c8f 100644
--- a/Userland/Libraries/LibC/crt0_shared.cpp
+++ b/Userland/Libraries/LibC/crt0_shared.cpp
@@ -7,7 +7,6 @@
 #include <AK/Types.h>
 #include <assert.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <sys/internals.h>
 #include <unistd.h>
 
diff --git a/Userland/Libraries/LibC/getsubopt.cpp b/Userland/Libraries/LibC/getsubopt.cpp
index 1f8c65635b..ea24411bec 100644
--- a/Userland/Libraries/LibC/getsubopt.cpp
+++ b/Userland/Libraries/LibC/getsubopt.cpp
@@ -6,7 +6,6 @@
 
 #include <AK/ScopeGuard.h>
 #include <AK/StringView.h>
-#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
diff --git a/Userland/Libraries/LibC/grp.cpp b/Userland/Libraries/LibC/grp.cpp
index e505806685..376f95e872 100644
--- a/Userland/Libraries/LibC/grp.cpp
+++ b/Userland/Libraries/LibC/grp.cpp
@@ -12,7 +12,6 @@
 #include <errno_codes.h>
 #include <grp.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
diff --git a/Userland/Libraries/LibC/math.cpp b/Userland/Libraries/LibC/math.cpp
index 1db9f22c0a..ada821963a 100644
--- a/Userland/Libraries/LibC/math.cpp
+++ b/Userland/Libraries/LibC/math.cpp
@@ -20,7 +20,6 @@
 #include <fenv.h>
 #include <math.h>
 #include <stdint.h>
-#include <stdlib.h>
 
 #if defined(AK_COMPILER_CLANG)
 #    pragma clang diagnostic push
diff --git a/Userland/Libraries/LibC/pwd.cpp b/Userland/Libraries/LibC/pwd.cpp
index ba2424e452..6ea61a4fa9 100644
--- a/Userland/Libraries/LibC/pwd.cpp
+++ b/Userland/Libraries/LibC/pwd.cpp
@@ -11,7 +11,6 @@
 #include <errno.h>
 #include <pwd.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
diff --git a/Userland/Libraries/LibC/shadow.cpp b/Userland/Libraries/LibC/shadow.cpp
index 9464e87d42..207c1240fd 100644
--- a/Userland/Libraries/LibC/shadow.cpp
+++ b/Userland/Libraries/LibC/shadow.cpp
@@ -11,7 +11,6 @@
 #include <errno.h>
 #include <shadow.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
diff --git a/Userland/Libraries/LibC/spawn.cpp b/Userland/Libraries/LibC/spawn.cpp
index 00213798f7..5d4a3b3bf8 100644
--- a/Userland/Libraries/LibC/spawn.cpp
+++ b/Userland/Libraries/LibC/spawn.cpp
@@ -18,7 +18,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
diff --git a/Userland/Libraries/LibC/time.cpp b/Userland/Libraries/LibC/time.cpp
index b771e5799c..a83b440ffb 100644
--- a/Userland/Libraries/LibC/time.cpp
+++ b/Userland/Libraries/LibC/time.cpp
@@ -15,7 +15,6 @@
 #include <errno.h>
 #include <limits.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/time.h>
 #include <sys/times.h>
diff --git a/Userland/Libraries/LibCore/GetPassword.cpp b/Userland/Libraries/LibCore/GetPassword.cpp
index 74b3b5dd29..a0d2987b21 100644
--- a/Userland/Libraries/LibCore/GetPassword.cpp
+++ b/Userland/Libraries/LibCore/GetPassword.cpp
@@ -8,7 +8,6 @@
 #include <LibCore/GetPassword.h>
 #include <LibCore/System.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <termios.h>
 #include <unistd.h>
 
diff --git a/Userland/Libraries/LibDNS/Packet.cpp b/Userland/Libraries/LibDNS/Packet.cpp
index 8f15c08ac9..9d0c241441 100644
--- a/Userland/Libraries/LibDNS/Packet.cpp
+++ b/Userland/Libraries/LibDNS/Packet.cpp
@@ -12,7 +12,6 @@
 #include <AK/MemoryStream.h>
 #include <AK/StringBuilder.h>
 #include <arpa/inet.h>
-#include <stdlib.h>
 
 namespace DNS {
 
diff --git a/Userland/Libraries/LibDesktop/Launcher.cpp b/Userland/Libraries/LibDesktop/Launcher.cpp
index eaa253cb55..68f8a821db 100644
--- a/Userland/Libraries/LibDesktop/Launcher.cpp
+++ b/Userland/Libraries/LibDesktop/Launcher.cpp
@@ -10,7 +10,6 @@
 #include <LaunchServer/LaunchServerEndpoint.h>
 #include <LibDesktop/Launcher.h>
 #include <LibIPC/ConnectionToServer.h>
-#include <stdlib.h>
 
 namespace Desktop {
 
diff --git a/Userland/Libraries/LibGUI/EmojiInputDialog.cpp b/Userland/Libraries/LibGUI/EmojiInputDialog.cpp
index d7fb5dd912..1cc0dff127 100644
--- a/Userland/Libraries/LibGUI/EmojiInputDialog.cpp
+++ b/Userland/Libraries/LibGUI/EmojiInputDialog.cpp
@@ -25,7 +25,6 @@
 #include <LibGUI/Toolbar.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/Font/Emoji.h>
-#include <stdlib.h>
 
 namespace GUI {
 
diff --git a/Userland/Libraries/LibGfx/Color.cpp b/Userland/Libraries/LibGfx/Color.cpp
index b8e8da487b..76d169c495 100644
--- a/Userland/Libraries/LibGfx/Color.cpp
+++ b/Userland/Libraries/LibGfx/Color.cpp
@@ -14,7 +14,6 @@
 #include <LibIPC/Decoder.h>
 #include <LibIPC/Encoder.h>
 #include <ctype.h>
-#include <stdlib.h>
 
 namespace Gfx {
 
diff --git a/Userland/Libraries/LibGfx/Font/FontDatabase.cpp b/Userland/Libraries/LibGfx/Font/FontDatabase.cpp
index b99d7e953a..42c66122fc 100644
--- a/Userland/Libraries/LibGfx/Font/FontDatabase.cpp
+++ b/Userland/Libraries/LibGfx/Font/FontDatabase.cpp
@@ -15,7 +15,6 @@
 #include <LibGfx/Font/OpenType/Font.h>
 #include <LibGfx/Font/Typeface.h>
 #include <LibGfx/Font/WOFF/Font.h>
-#include <stdlib.h>
 
 namespace Gfx {
 
diff --git a/Userland/Libraries/LibGfx/Line.h b/Userland/Libraries/LibGfx/Line.h
index 6192a705a2..867428317f 100644
--- a/Userland/Libraries/LibGfx/Line.h
+++ b/Userland/Libraries/LibGfx/Line.h
@@ -12,7 +12,6 @@
 #include <LibGfx/Forward.h>
 #include <LibGfx/Point.h>
 #include <LibGfx/Rect.h>
-#include <stdlib.h>
 
 namespace Gfx {
 
diff --git a/Userland/Libraries/LibIPC/Connection.h b/Userland/Libraries/LibIPC/Connection.h
index d4e9dcf991..bbe99f2fd0 100644
--- a/Userland/Libraries/LibIPC/Connection.h
+++ b/Userland/Libraries/LibIPC/Connection.h
@@ -20,7 +20,6 @@
 #include <errno.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
index 6e32e5181b..a02d3ef495 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
@@ -24,7 +24,6 @@
 #include <LibJS/Runtime/Temporal/PlainTime.h>
 #include <LibJS/Runtime/Temporal/TimeZone.h>
 #include <LibJS/Runtime/Temporal/ZonedDateTime.h>
-#include <stdlib.h>
 
 namespace JS::Temporal {
 
diff --git a/Userland/Libraries/LibLine/Style.h b/Userland/Libraries/LibLine/Style.h
index d054a17c14..e05bf5fa9e 100644
--- a/Userland/Libraries/LibLine/Style.h
+++ b/Userland/Libraries/LibLine/Style.h
@@ -10,7 +10,6 @@
 #include <AK/Types.h>
 #include <AK/Utf8View.h>
 #include <AK/Vector.h>
-#include <stdlib.h>
 
 namespace Line {
 
diff --git a/Userland/Libraries/LibLine/SuggestionDisplay.h b/Userland/Libraries/LibLine/SuggestionDisplay.h
index 40d19454e0..113df0ccfb 100644
--- a/Userland/Libraries/LibLine/SuggestionDisplay.h
+++ b/Userland/Libraries/LibLine/SuggestionDisplay.h
@@ -10,7 +10,6 @@
 #include <AK/Forward.h>
 #include <LibLine/StringMetrics.h>
 #include <LibLine/SuggestionManager.h>
-#include <stdlib.h>
 
 namespace Line {
 
diff --git a/Userland/Libraries/LibLine/SuggestionManager.h b/Userland/Libraries/LibLine/SuggestionManager.h
index f7509f3a9c..849f3c90df 100644
--- a/Userland/Libraries/LibLine/SuggestionManager.h
+++ b/Userland/Libraries/LibLine/SuggestionManager.h
@@ -11,7 +11,6 @@
 #include <AK/Utf32View.h>
 #include <AK/Utf8View.h>
 #include <LibLine/Style.h>
-#include <stdlib.h>
 
 namespace Line {
 
diff --git a/Userland/Libraries/LibVT/TerminalWidget.cpp b/Userland/Libraries/LibVT/TerminalWidget.cpp
index 60a95add7e..cc83670d07 100644
--- a/Userland/Libraries/LibVT/TerminalWidget.cpp
+++ b/Userland/Libraries/LibVT/TerminalWidget.cpp
@@ -34,7 +34,6 @@
 #include <ctype.h>
 #include <errno.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
index 6e948ce59a..d31e5e8107 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
@@ -11,7 +11,6 @@
 #include <LibWeb/Layout/BlockContainer.h>
 #include <LibWeb/Layout/Node.h>
 #include <LibWeb/Layout/Progress.h>
-#include <stdlib.h>
 
 namespace Web::HTML {
 
diff --git a/Userland/Services/AudioServer/Mixer.cpp b/Userland/Services/AudioServer/Mixer.cpp
index 7227392996..5cfbd64890 100644
--- a/Userland/Services/AudioServer/Mixer.cpp
+++ b/Userland/Services/AudioServer/Mixer.cpp
@@ -15,7 +15,6 @@
 #include <LibCore/ConfigFile.h>
 #include <LibCore/Timer.h>
 #include <pthread.h>
-#include <stdlib.h>
 #include <sys/ioctl.h>
 
 namespace AudioServer {
diff --git a/Userland/Utilities/flock.cpp b/Userland/Utilities/flock.cpp
index 57d1609211..f7a0c31467 100644
--- a/Userland/Utilities/flock.cpp
+++ b/Userland/Utilities/flock.cpp
@@ -7,7 +7,6 @@
 #include <AK/Format.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
-#include <stdlib.h>
 #include <sys/wait.h>
 #include <unistd.h>
 
diff --git a/Userland/Utilities/nc.cpp b/Userland/Utilities/nc.cpp
index 8d11fd61e7..1aca02ab1d 100644
--- a/Userland/Utilities/nc.cpp
+++ b/Userland/Utilities/nc.cpp
@@ -16,7 +16,6 @@
 #include <netdb.h>
 #include <netinet/in.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/select.h>
 #include <sys/socket.h>
diff --git a/Userland/Utilities/pidof.cpp b/Userland/Utilities/pidof.cpp
index 64b437b21a..7ad4ad9fd7 100644
--- a/Userland/Utilities/pidof.cpp
+++ b/Userland/Utilities/pidof.cpp
@@ -10,7 +10,6 @@
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
diff --git a/Userland/Utilities/pmemdump.cpp b/Userland/Utilities/pmemdump.cpp
index de8185fd7f..77293db453 100644
--- a/Userland/Utilities/pmemdump.cpp
+++ b/Userland/Utilities/pmemdump.cpp
@@ -14,7 +14,6 @@
 #include <fcntl.h>
 #include <inttypes.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
diff --git a/Userland/Utilities/shuf.cpp b/Userland/Utilities/shuf.cpp
index 6e6e908c10..30a1c9f379 100644
--- a/Userland/Utilities/shuf.cpp
+++ b/Userland/Utilities/shuf.cpp
@@ -12,7 +12,6 @@
 #include <LibCore/Stream.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
-#include <stdlib.h>
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
diff --git a/Userland/Utilities/strace.cpp b/Userland/Utilities/strace.cpp
index f61e3ba9d4..29e29e6ec3 100644
--- a/Userland/Utilities/strace.cpp
+++ b/Userland/Utilities/strace.cpp
@@ -20,7 +20,6 @@
 #include <netinet/in.h>
 #include <signal.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>