diff --git a/Userland/Applications/Browser/DownloadWidget.cpp b/Userland/Applications/Browser/DownloadWidget.cpp
index 39d931e216..85482f4a23 100644
--- a/Userland/Applications/Browser/DownloadWidget.cpp
+++ b/Userland/Applications/Browser/DownloadWidget.cpp
@@ -26,7 +26,6 @@
 
 #include "DownloadWidget.h"
 #include <AK/NumberFormat.h>
-#include <AK/SharedBuffer.h>
 #include <AK/StringBuilder.h>
 #include <LibCore/File.h>
 #include <LibCore/FileStream.h>
diff --git a/Userland/Applications/SystemMonitor/ProcessModel.cpp b/Userland/Applications/SystemMonitor/ProcessModel.cpp
index c12a5503ab..2c2c9a2d5c 100644
--- a/Userland/Applications/SystemMonitor/ProcessModel.cpp
+++ b/Userland/Applications/SystemMonitor/ProcessModel.cpp
@@ -29,7 +29,6 @@
 #include <AK/JsonArray.h>
 #include <AK/JsonObject.h>
 #include <AK/JsonValue.h>
-#include <AK/SharedBuffer.h>
 #include <LibCore/File.h>
 #include <LibCore/ProcessStatisticsReader.h>
 #include <LibGUI/FileIconProvider.h>
diff --git a/Userland/Libraries/LibAudio/ClientConnection.cpp b/Userland/Libraries/LibAudio/ClientConnection.cpp
index c446cf291f..11fdeaf516 100644
--- a/Userland/Libraries/LibAudio/ClientConnection.cpp
+++ b/Userland/Libraries/LibAudio/ClientConnection.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/SharedBuffer.h>
 #include <LibAudio/Buffer.h>
 #include <LibAudio/ClientConnection.h>
 
diff --git a/Userland/Libraries/LibGUI/DragOperation.cpp b/Userland/Libraries/LibGUI/DragOperation.cpp
index 74c9eddd7e..a1afb25cdc 100644
--- a/Userland/Libraries/LibGUI/DragOperation.cpp
+++ b/Userland/Libraries/LibGUI/DragOperation.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/Badge.h>
-#include <AK/SharedBuffer.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/MimeData.h>
 #include <LibGUI/DragOperation.h>
diff --git a/Userland/Libraries/LibGUI/RunningProcessesModel.cpp b/Userland/Libraries/LibGUI/RunningProcessesModel.cpp
index bcb87df4e5..985586c10f 100644
--- a/Userland/Libraries/LibGUI/RunningProcessesModel.cpp
+++ b/Userland/Libraries/LibGUI/RunningProcessesModel.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/SharedBuffer.h>
 #include <LibCore/ProcessStatisticsReader.h>
 #include <LibGUI/FileIconProvider.h>
 #include <LibGUI/RunningProcessesModel.h>
diff --git a/Userland/Libraries/LibGUI/Window.cpp b/Userland/Libraries/LibGUI/Window.cpp
index 1c124f7dc5..690b62746b 100644
--- a/Userland/Libraries/LibGUI/Window.cpp
+++ b/Userland/Libraries/LibGUI/Window.cpp
@@ -27,7 +27,6 @@
 #include <AK/HashMap.h>
 #include <AK/JsonObject.h>
 #include <AK/NeverDestroyed.h>
-#include <AK/SharedBuffer.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/MimeData.h>
 #include <LibGUI/Action.h>
diff --git a/Userland/Libraries/LibGfx/ShareableBitmap.cpp b/Userland/Libraries/LibGfx/ShareableBitmap.cpp
index 66a42ef5f0..6cfa44a4b0 100644
--- a/Userland/Libraries/LibGfx/ShareableBitmap.cpp
+++ b/Userland/Libraries/LibGfx/ShareableBitmap.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/SharedBuffer.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/ShareableBitmap.h>
 #include <LibGfx/Size.h>
diff --git a/Userland/Libraries/LibProtocol/Client.cpp b/Userland/Libraries/LibProtocol/Client.cpp
index 4218aa53ec..fc86a4622a 100644
--- a/Userland/Libraries/LibProtocol/Client.cpp
+++ b/Userland/Libraries/LibProtocol/Client.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/FileStream.h>
-#include <AK/SharedBuffer.h>
 #include <LibProtocol/Client.h>
 #include <LibProtocol/Download.h>
 
diff --git a/Userland/Libraries/LibProtocol/Download.cpp b/Userland/Libraries/LibProtocol/Download.cpp
index 07f5e76fff..74d8b20840 100644
--- a/Userland/Libraries/LibProtocol/Download.cpp
+++ b/Userland/Libraries/LibProtocol/Download.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/SharedBuffer.h>
 #include <LibProtocol/Client.h>
 #include <LibProtocol/Download.h>
 
diff --git a/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp b/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
index 74ec1194d4..42387e88e6 100644
--- a/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
+++ b/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
@@ -26,7 +26,6 @@
 
 #include <AK/Base64.h>
 #include <AK/JsonObject.h>
-#include <AK/SharedBuffer.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/File.h>
 #include <LibProtocol/Client.h>
diff --git a/Userland/Libraries/LibWeb/WebContentClient.cpp b/Userland/Libraries/LibWeb/WebContentClient.cpp
index 870b691d3b..c31420a56b 100644
--- a/Userland/Libraries/LibWeb/WebContentClient.cpp
+++ b/Userland/Libraries/LibWeb/WebContentClient.cpp
@@ -26,7 +26,6 @@
 
 #include "WebContentClient.h"
 #include "OutOfProcessWebView.h"
-#include <AK/SharedBuffer.h>
 
 namespace Web {
 
diff --git a/Userland/Services/ProtocolServer/ClientConnection.cpp b/Userland/Services/ProtocolServer/ClientConnection.cpp
index c03245a7a0..79dd09a651 100644
--- a/Userland/Services/ProtocolServer/ClientConnection.cpp
+++ b/Userland/Services/ProtocolServer/ClientConnection.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/Badge.h>
-#include <AK/SharedBuffer.h>
 #include <ProtocolServer/ClientConnection.h>
 #include <ProtocolServer/Download.h>
 #include <ProtocolServer/Protocol.h>
diff --git a/Userland/Services/Taskbar/TaskbarWindow.cpp b/Userland/Services/Taskbar/TaskbarWindow.cpp
index a028cea848..76bd02647d 100644
--- a/Userland/Services/Taskbar/TaskbarWindow.cpp
+++ b/Userland/Services/Taskbar/TaskbarWindow.cpp
@@ -26,7 +26,6 @@
 
 #include "TaskbarWindow.h"
 #include "TaskbarButton.h"
-#include <AK/SharedBuffer.h>
 #include <LibCore/ConfigFile.h>
 #include <LibCore/StandardPaths.h>
 #include <LibDesktop/AppFile.h>