diff --git a/libraries/tests/utest/basic/basic.cpp b/libraries/tests/utest/basic/basic.cpp
index 219d40f77b..92d77cbc07 100644
--- a/libraries/tests/utest/basic/basic.cpp
+++ b/libraries/tests/utest/basic/basic.cpp
@@ -1,4 +1,4 @@
-#include "CppUTest/TestHarness.h"
+#include "TestHarness.h"
 
 TEST_GROUP(FirstTestGroup)
 {
diff --git a/libraries/tests/utest/general/general.cpp b/libraries/tests/utest/general/general.cpp
index 85f0b48439..ba56a0f181 100644
--- a/libraries/tests/utest/general/general.cpp
+++ b/libraries/tests/utest/general/general.cpp
@@ -1,4 +1,4 @@
-#include "CppUTest/TestHarness.h"
+#include "TestHarness.h"
 #include <utility>
 #include "mbed.h"
 
diff --git a/libraries/tests/utest/semihost_fs/semihost_fs.cpp b/libraries/tests/utest/semihost_fs/semihost_fs.cpp
index 44f675b4ed..adb49025fb 100644
--- a/libraries/tests/utest/semihost_fs/semihost_fs.cpp
+++ b/libraries/tests/utest/semihost_fs/semihost_fs.cpp
@@ -1,4 +1,4 @@
-#include "CppUTest/TestHarness.h"
+#include "TestHarness.h"
 #include "mbed.h"
 #include "semihost_api.h"
 #include <stdio.h>
diff --git a/libraries/tests/utest/testrunner/testrunner.cpp b/libraries/tests/utest/testrunner/testrunner.cpp
index a5a614157a..930d90f360 100644
--- a/libraries/tests/utest/testrunner/testrunner.cpp
+++ b/libraries/tests/utest/testrunner/testrunner.cpp
@@ -1,4 +1,4 @@
-#include "CppUTest\CommandLineTestRunner.h"
+#include "CommandLineTestRunner.h"
 #include <stdio.h>
 #include "mbed.h"
 #include "testrunner.h"