diff --git a/Userland/DevTools/HackStudio/Debugger/DebuggerVariableJSObject.cpp b/Userland/DevTools/HackStudio/Debugger/DebuggerVariableJSObject.cpp
index 02008e03975..849fc5e237e 100644
--- a/Userland/DevTools/HackStudio/Debugger/DebuggerVariableJSObject.cpp
+++ b/Userland/DevTools/HackStudio/Debugger/DebuggerVariableJSObject.cpp
@@ -8,7 +8,6 @@
 #include "DebuggerVariableJSObject.h"
 #include "Debugger.h"
 #include <LibJS/Runtime/Error.h>
-#include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/PrimitiveString.h>
 #include <LibJS/Runtime/PropertyName.h>
 
diff --git a/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.cpp b/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.cpp
index d69b3664e93..26d96f142f7 100644
--- a/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.cpp
+++ b/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.cpp
@@ -12,7 +12,6 @@
 #include <LibSymbolication/Symbolication.h>
 #include <LibX86/Disassembler.h>
 #include <LibX86/ELFSymbolProvider.h>
-#include <ctype.h>
 #include <stdio.h>
 
 namespace HackStudio {
diff --git a/Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.cpp b/Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.cpp
index 95f262f0dbc..212aaf81aa6 100644
--- a/Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.cpp
+++ b/Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.cpp
@@ -18,11 +18,8 @@
 #include <LibGUI/IconView.h>
 #include <LibGUI/Label.h>
 #include <LibGUI/MessageBox.h>
-#include <LibGUI/RadioButton.h>
 #include <LibGUI/TextBox.h>
 #include <LibGUI/Widget.h>
-#include <LibGfx/Font.h>
-#include <LibGfx/FontDatabase.h>
 #include <LibRegex/Regex.h>
 
 namespace HackStudio {
diff --git a/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp b/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp
index 64d9367cf79..c3fbe9aa501 100644
--- a/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp
+++ b/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp
@@ -9,12 +9,9 @@
 
 #include <AK/LexicalPath.h>
 #include <AK/QuickSort.h>
-#include <Kernel/API/InodeWatcherEvent.h>
 #include <LibCore/DirIterator.h>
-#include <LibGUI/Icon.h>
 #include <LibGUI/Variant.h>
 #include <LibGfx/TextAlignment.h>
-#include <ctype.h>
 #include <stdio.h>
 
 namespace HackStudio {
diff --git a/Userland/DevTools/HackStudio/Editor.cpp b/Userland/DevTools/HackStudio/Editor.cpp
index 769c1afc33a..632291387bc 100644
--- a/Userland/DevTools/HackStudio/Editor.cpp
+++ b/Userland/DevTools/HackStudio/Editor.cpp
@@ -30,7 +30,6 @@
 #include <LibJS/SyntaxHighlighter.h>
 #include <LibMarkdown/Document.h>
 #include <LibSQL/AST/SyntaxHighlighter.h>
-#include <LibWeb/DOM/ElementFactory.h>
 #include <LibWeb/DOM/Text.h>
 #include <LibWeb/HTML/HTMLHeadElement.h>
 #include <LibWeb/HTML/SyntaxHighlighter/SyntaxHighlighter.h>
diff --git a/Userland/DevTools/HackStudio/EditorWrapper.cpp b/Userland/DevTools/HackStudio/EditorWrapper.cpp
index fdf1d4d7fb3..0a010f8bee3 100644
--- a/Userland/DevTools/HackStudio/EditorWrapper.cpp
+++ b/Userland/DevTools/HackStudio/EditorWrapper.cpp
@@ -7,7 +7,6 @@
 #include "EditorWrapper.h"
 #include "Editor.h"
 #include "HackStudio.h"
-#include <LibGUI/Action.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/Label.h>
diff --git a/Userland/DevTools/HackStudio/Git/DiffViewer.cpp b/Userland/DevTools/HackStudio/Git/DiffViewer.cpp
index 7c57501f160..49ea5478ea0 100644
--- a/Userland/DevTools/HackStudio/Git/DiffViewer.cpp
+++ b/Userland/DevTools/HackStudio/Git/DiffViewer.cpp
@@ -11,7 +11,6 @@
 #include <LibGUI/Painter.h>
 #include <LibGUI/Scrollbar.h>
 #include <LibGfx/Color.h>
-#include <LibGfx/Font.h>
 #include <LibGfx/FontDatabase.h>
 #include <LibGfx/Palette.h>
 
diff --git a/Userland/DevTools/HackStudio/Git/GitRepo.cpp b/Userland/DevTools/HackStudio/Git/GitRepo.cpp
index f38c18aea43..3405d423909 100644
--- a/Userland/DevTools/HackStudio/Git/GitRepo.cpp
+++ b/Userland/DevTools/HackStudio/Git/GitRepo.cpp
@@ -6,8 +6,6 @@
 
 #include "GitRepo.h"
 #include <LibCore/Command.h>
-#include <stdio.h>
-#include <stdlib.h>
 
 namespace HackStudio {
 
diff --git a/Userland/DevTools/HackStudio/Git/GitWidget.cpp b/Userland/DevTools/HackStudio/Git/GitWidget.cpp
index 95d03c0c914..7579177f9d7 100644
--- a/Userland/DevTools/HackStudio/Git/GitWidget.cpp
+++ b/Userland/DevTools/HackStudio/Git/GitWidget.cpp
@@ -14,7 +14,6 @@
 #include <LibGUI/InputBox.h>
 #include <LibGUI/Label.h>
 #include <LibGUI/MessageBox.h>
-#include <LibGUI/Model.h>
 #include <LibGUI/Painter.h>
 #include <LibGfx/Bitmap.h>
 #include <stdio.h>
diff --git a/Userland/DevTools/HackStudio/LanguageClient.cpp b/Userland/DevTools/HackStudio/LanguageClient.cpp
index 69c104b9511..6c7547cf451 100644
--- a/Userland/DevTools/HackStudio/LanguageClient.cpp
+++ b/Userland/DevTools/HackStudio/LanguageClient.cpp
@@ -10,7 +10,6 @@
 #include "ToDoEntries.h"
 #include <AK/String.h>
 #include <AK/Vector.h>
-#include <DevTools/HackStudio/LanguageServers/LanguageServerEndpoint.h>
 #include <LibGUI/Notification.h>
 
 namespace HackStudio {
diff --git a/Userland/DevTools/HackStudio/main.cpp b/Userland/DevTools/HackStudio/main.cpp
index 08fa39017da..1817b2db721 100644
--- a/Userland/DevTools/HackStudio/main.cpp
+++ b/Userland/DevTools/HackStudio/main.cpp
@@ -10,7 +10,6 @@
 #include "Project.h"
 #include <AK/StringBuilder.h>
 #include <LibCore/ArgsParser.h>
-#include <LibCore/EventLoop.h>
 #include <LibCore/File.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Menubar.h>
diff --git a/Userland/DevTools/Inspector/RemoteObjectGraphModel.cpp b/Userland/DevTools/Inspector/RemoteObjectGraphModel.cpp
index e9d8cb238da..6ac721d98a5 100644
--- a/Userland/DevTools/Inspector/RemoteObjectGraphModel.cpp
+++ b/Userland/DevTools/Inspector/RemoteObjectGraphModel.cpp
@@ -7,7 +7,6 @@
 #include "RemoteObjectGraphModel.h"
 #include "RemoteObject.h"
 #include "RemoteProcess.h"
-#include <AK/JsonObject.h>
 #include <AK/JsonValue.h>
 #include <LibGUI/Application.h>
 #include <stdio.h>
diff --git a/Userland/DevTools/Inspector/RemoteProcess.cpp b/Userland/DevTools/Inspector/RemoteProcess.cpp
index bfea54d4db7..24a362da485 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 <stdio.h>
 #include <stdlib.h>
 
 namespace Inspector {
diff --git a/Userland/DevTools/Profiler/DisassemblyModel.cpp b/Userland/DevTools/Profiler/DisassemblyModel.cpp
index f52241bb34d..6190fad7c48 100644
--- a/Userland/DevTools/Profiler/DisassemblyModel.cpp
+++ b/Userland/DevTools/Profiler/DisassemblyModel.cpp
@@ -12,7 +12,6 @@
 #include <LibSymbolication/Symbolication.h>
 #include <LibX86/Disassembler.h>
 #include <LibX86/ELFSymbolProvider.h>
-#include <ctype.h>
 #include <stdio.h>
 
 namespace Profiler {
diff --git a/Userland/DevTools/Profiler/ProfileModel.cpp b/Userland/DevTools/Profiler/ProfileModel.cpp
index fdb8c1dd9b5..2879da41553 100644
--- a/Userland/DevTools/Profiler/ProfileModel.cpp
+++ b/Userland/DevTools/Profiler/ProfileModel.cpp
@@ -6,10 +6,8 @@
 
 #include "ProfileModel.h"
 #include "Profile.h"
-#include <AK/StringBuilder.h>
 #include <LibGUI/FileIconProvider.h>
 #include <LibSymbolication/Symbolication.h>
-#include <ctype.h>
 #include <stdio.h>
 
 namespace Profiler {
diff --git a/Userland/DevTools/Profiler/SamplesModel.cpp b/Userland/DevTools/Profiler/SamplesModel.cpp
index 57e0410667f..49b2435e2e2 100644
--- a/Userland/DevTools/Profiler/SamplesModel.cpp
+++ b/Userland/DevTools/Profiler/SamplesModel.cpp
@@ -7,7 +7,6 @@
 #include "SamplesModel.h"
 #include "Profile.h"
 #include <AK/StringBuilder.h>
-#include <stdio.h>
 
 namespace Profiler {
 
diff --git a/Userland/DevTools/Profiler/TimelineHeader.cpp b/Userland/DevTools/Profiler/TimelineHeader.cpp
index 98d3d8b1a04..0db6de6e16a 100644
--- a/Userland/DevTools/Profiler/TimelineHeader.cpp
+++ b/Userland/DevTools/Profiler/TimelineHeader.cpp
@@ -9,9 +9,7 @@
 #include "Profile.h"
 #include <AK/LexicalPath.h>
 #include <LibGUI/FileIconProvider.h>
-#include <LibGUI/Icon.h>
 #include <LibGUI/Painter.h>
-#include <LibGfx/Font.h>
 #include <LibGfx/Palette.h>
 
 namespace Profiler {
diff --git a/Userland/DevTools/Profiler/TimelineTrack.cpp b/Userland/DevTools/Profiler/TimelineTrack.cpp
index a5af3371b44..a9682ccec7b 100644
--- a/Userland/DevTools/Profiler/TimelineTrack.cpp
+++ b/Userland/DevTools/Profiler/TimelineTrack.cpp
@@ -8,7 +8,6 @@
 #include "Profile.h"
 #include "TimelineView.h"
 #include <LibGUI/Painter.h>
-#include <LibGfx/Font.h>
 #include <LibGfx/Palette.h>
 
 namespace Profiler {
diff --git a/Userland/DevTools/Profiler/main.cpp b/Userland/DevTools/Profiler/main.cpp
index ad835f40670..f1d40321e3f 100644
--- a/Userland/DevTools/Profiler/main.cpp
+++ b/Userland/DevTools/Profiler/main.cpp
@@ -12,7 +12,6 @@
 #include "TimelineView.h"
 #include <LibCore/ArgsParser.h>
 #include <LibCore/ElapsedTimer.h>
-#include <LibCore/EventLoop.h>
 #include <LibCore/ProcessStatisticsReader.h>
 #include <LibCore/Timer.h>
 #include <LibDesktop/Launcher.h>
diff --git a/Userland/DevTools/StateMachineGenerator/main.cpp b/Userland/DevTools/StateMachineGenerator/main.cpp
index 9e82e75399f..a8dd801702c 100644
--- a/Userland/DevTools/StateMachineGenerator/main.cpp
+++ b/Userland/DevTools/StateMachineGenerator/main.cpp
@@ -14,7 +14,6 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/File.h>
 #include <ctype.h>
-#include <string.h>
 
 struct Range {
     int begin;
diff --git a/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp b/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
index a2b325d5b43..32df7ddbd5a 100644
--- a/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
+++ b/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
@@ -8,9 +8,7 @@
 #include "SoftCPU.h"
 #include "Emulator.h"
 #include <AK/Assertions.h>
-#include <AK/BitCast.h>
 #include <AK/Debug.h>
-#include <math.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>