diff --git a/AK/Format.cpp b/AK/Format.cpp
index c7bf1df12c2..d820d89b38c 100644
--- a/AK/Format.cpp
+++ b/AK/Format.cpp
@@ -18,6 +18,7 @@
 #ifdef KERNEL
 #    include <Kernel/Process.h>
 #    include <Kernel/Thread.h>
+#    include <Kernel/Time/TimeManagement.h>
 #else
 #    include <math.h>
 #    include <stdio.h>
diff --git a/Kernel/Coredump.cpp b/Kernel/Coredump.cpp
index ef3ad653807..5794ab7e740 100644
--- a/Kernel/Coredump.cpp
+++ b/Kernel/Coredump.cpp
@@ -14,6 +14,7 @@
 #include <Kernel/FileSystem/Custody.h>
 #include <Kernel/FileSystem/OpenFileDescription.h>
 #include <Kernel/FileSystem/VirtualFileSystem.h>
+#include <Kernel/KBufferBuilder.h>
 #include <Kernel/KLexicalPath.h>
 #include <Kernel/Locking/Spinlock.h>
 #include <Kernel/Memory/ScopedAddressSpaceSwitcher.h>
diff --git a/Kernel/FileSystem/DevPtsFS/FileSystem.cpp b/Kernel/FileSystem/DevPtsFS/FileSystem.cpp
index 1cc4da8018f..363460972f0 100644
--- a/Kernel/FileSystem/DevPtsFS/FileSystem.cpp
+++ b/Kernel/FileSystem/DevPtsFS/FileSystem.cpp
@@ -9,6 +9,7 @@
 #include <Kernel/FileSystem/DevPtsFS/FileSystem.h>
 #include <Kernel/FileSystem/DevPtsFS/Inode.h>
 #include <Kernel/TTY/SlavePTY.h>
+#include <Kernel/Time/TimeManagement.h>
 
 namespace Kernel {
 
diff --git a/Kernel/PerformanceEventBuffer.cpp b/Kernel/PerformanceEventBuffer.cpp
index 9c6c765fcac..86e20616b35 100644
--- a/Kernel/PerformanceEventBuffer.cpp
+++ b/Kernel/PerformanceEventBuffer.cpp
@@ -14,6 +14,7 @@
 #include <Kernel/KBufferBuilder.h>
 #include <Kernel/PerformanceEventBuffer.h>
 #include <Kernel/Process.h>
+#include <Kernel/Time/TimeManagement.h>
 
 namespace Kernel {
 
diff --git a/Kernel/PerformanceManager.h b/Kernel/PerformanceManager.h
index 36283e9da15..cc41cb9f7f3 100644
--- a/Kernel/PerformanceManager.h
+++ b/Kernel/PerformanceManager.h
@@ -9,6 +9,7 @@
 #include <Kernel/PerformanceEventBuffer.h>
 #include <Kernel/Process.h>
 #include <Kernel/Thread.h>
+#include <Kernel/Time/TimeManagement.h>
 
 namespace Kernel {
 
diff --git a/Kernel/Syscalls/resource.cpp b/Kernel/Syscalls/resource.cpp
index 97b130efc23..664f21b06df 100644
--- a/Kernel/Syscalls/resource.cpp
+++ b/Kernel/Syscalls/resource.cpp
@@ -5,6 +5,7 @@
  */
 
 #include <Kernel/Process.h>
+#include <Kernel/Time/TimeManagement.h>
 
 namespace Kernel {
 
diff --git a/Kernel/Syscalls/times.cpp b/Kernel/Syscalls/times.cpp
index 300a5314173..90993bf054b 100644
--- a/Kernel/Syscalls/times.cpp
+++ b/Kernel/Syscalls/times.cpp
@@ -5,6 +5,7 @@
  */
 
 #include <Kernel/Process.h>
+#include <Kernel/Time/TimeManagement.h>
 
 namespace Kernel {