diff --git a/src/corelib/thread/qmutex.cpp b/src/corelib/thread/qmutex.cpp
index f1fb38118f..ec6c711a4f 100644
--- a/src/corelib/thread/qmutex.cpp
+++ b/src/corelib/thread/qmutex.cpp
@@ -8,7 +8,6 @@
 #include "qmutex.h"
 #include <qdebug.h>
 #include "qatomic.h"
-#include "qelapsedtimer.h"
 #include "qfutex_p.h"
 #include "qthread.h"
 #include "qmutex_p.h"
diff --git a/src/corelib/thread/qmutex_unix.cpp b/src/corelib/thread/qmutex_unix.cpp
index 79c479a3a4..4d01deb7d4 100644
--- a/src/corelib/thread/qmutex_unix.cpp
+++ b/src/corelib/thread/qmutex_unix.cpp
@@ -5,7 +5,6 @@
 #include "qplatformdefs.h"
 #include "qmutex.h"
 #include "qstring.h"
-#include "qelapsedtimer.h"
 #include "qatomic.h"
 #include "qmutex_p.h"
 #include <errno.h>
diff --git a/src/corelib/thread/qreadwritelock.cpp b/src/corelib/thread/qreadwritelock.cpp
index 9037853fee..e79bed2231 100644
--- a/src/corelib/thread/qreadwritelock.cpp
+++ b/src/corelib/thread/qreadwritelock.cpp
@@ -8,7 +8,6 @@
 
 #include "qthread.h"
 #include "qreadwritelock_p.h"
-#include "qelapsedtimer.h"
 #include "private/qfreelist_p.h"
 #include "private/qlocking_p.h"
 
diff --git a/src/corelib/thread/qwaitcondition_unix.cpp b/src/corelib/thread/qwaitcondition_unix.cpp
index 0e29316d12..d841183f09 100644
--- a/src/corelib/thread/qwaitcondition_unix.cpp
+++ b/src/corelib/thread/qwaitcondition_unix.cpp
@@ -6,7 +6,6 @@
 
 #include "qatomic.h"
 #include "qdeadlinetimer.h"
-#include "qelapsedtimer.h"
 #include "qmutex.h"
 #include "qplatformdefs.h"
 #include "qreadwritelock.h"