diff --git a/mozglue/misc/AwakeTimeStamp.cpp b/mozglue/misc/AwakeTimeStamp.cpp
index 26750b6c364e4..a5c8ed4abd6a6 100644
--- a/mozglue/misc/AwakeTimeStamp.cpp
+++ b/mozglue/misc/AwakeTimeStamp.cpp
@@ -12,8 +12,6 @@
 
 #include "mozilla/Assertions.h"
 #include "mozilla/DebugOnly.h"
-#include "mozilla/Maybe.h"
-#include "mozilla/TimeStamp.h"
 
 namespace mozilla {
 
diff --git a/mozglue/misc/AwakeTimeStamp.h b/mozglue/misc/AwakeTimeStamp.h
index 4e2694ddacb92..b95ef9e77e90a 100644
--- a/mozglue/misc/AwakeTimeStamp.h
+++ b/mozglue/misc/AwakeTimeStamp.h
@@ -8,7 +8,6 @@
 #define mozilla_AwakeTimeStamp_h
 
 #include <stdint.h>
-#include <inttypes.h>
 #include <mozilla/Types.h>
 #include "mozilla/Assertions.h"
 
diff --git a/mozglue/misc/ConditionVariable_posix.cpp b/mozglue/misc/ConditionVariable_posix.cpp
index d15c87f4e861b..fcc404713c6b9 100644
--- a/mozglue/misc/ConditionVariable_posix.cpp
+++ b/mozglue/misc/ConditionVariable_posix.cpp
@@ -9,9 +9,7 @@
 
 #include <errno.h>
 #include <pthread.h>
-#include <stdlib.h>
 #include <time.h>
-#include <unistd.h>
 
 #include "mozilla/PlatformConditionVariable.h"
 #include "mozilla/PlatformMutex.h"
diff --git a/mozglue/misc/MmapFaultHandler.cpp b/mozglue/misc/MmapFaultHandler.cpp
index d6e220b473e49..a73b9bd24b713 100644
--- a/mozglue/misc/MmapFaultHandler.cpp
+++ b/mozglue/misc/MmapFaultHandler.cpp
@@ -8,9 +8,8 @@
 
 #if defined(XP_UNIX) && !defined(XP_DARWIN) && !defined(__wasi__)
 
-#  include "PlatformMutex.h"
+#  include "mozilla/Assertions.h"
 #  include "mozilla/Atomics.h"
-#  include "mozilla/MemoryChecking.h"
 #  include "mozilla/ThreadLocal.h"
 #  include <signal.h>
 #  include <cstring>
diff --git a/mozglue/misc/TimeStamp.cpp b/mozglue/misc/TimeStamp.cpp
index ab52da8251100..2e4fc3dd8f408 100644
--- a/mozglue/misc/TimeStamp.cpp
+++ b/mozglue/misc/TimeStamp.cpp
@@ -8,10 +8,8 @@
  * Implementation of the OS-independent methods of the TimeStamp class
  */
 
-#include "mozilla/Atomics.h"
 #include "mozilla/TimeStamp.h"
 #include "mozilla/Uptime.h"
-#include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 
diff --git a/mozglue/misc/TimeStamp_posix.cpp b/mozglue/misc/TimeStamp_posix.cpp
index 789f9b5a33244..10c046d04699c 100644
--- a/mozglue/misc/TimeStamp_posix.cpp
+++ b/mozglue/misc/TimeStamp_posix.cpp
@@ -49,7 +49,6 @@
 
 #include "mozilla/Sprintf.h"
 #include "mozilla/TimeStamp.h"
-#include "mozilla/Uptime.h"
 
 #if !defined(__wasi__)
 #  include <pthread.h>
diff --git a/mozglue/misc/Uptime.cpp b/mozglue/misc/Uptime.cpp
index bf1348199e49b..822a183ae0b96 100644
--- a/mozglue/misc/Uptime.cpp
+++ b/mozglue/misc/Uptime.cpp
@@ -11,7 +11,6 @@
 #endif  // XP_WIN
 
 #include <stdint.h>
-#include <inttypes.h>
 
 #include "mozilla/TimeStamp.h"
 #include "mozilla/Maybe.h"