diff --git a/UNITTESTS/target_h/drivers/LowPowerTicker.h b/UNITTESTS/target_h/drivers/LowPowerTicker.h
deleted file mode 100644
index 1d0bb6b..0000000
--- a/UNITTESTS/target_h/drivers/LowPowerTicker.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (c) 2018-2019 Arm Limited and affiliates.
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef MBED_LOWPOWERTICKER_H
-#define MBED_LOWPOWERTICKER_H
-
-#include "hal/ticker_api.h"
-#include "Callback.h"
-
-namespace mbed {
-
-/** mock Low Power Ticker
- *
- */
-class LowPowerTicker {
-
-public:
-    LowPowerTicker()
-    {
-    }
-
-    virtual ~LowPowerTicker()
-    {
-    }
-
-    void attach_us(Callback<void()> func, us_timestamp_t t)
-    {
-
-    }
-    void detach()
-    {
-
-    }
-};
-
-} // namespace mbed
-
-#endif
-
-
diff --git a/UNITTESTS/target_h/drivers/Ticker.h b/UNITTESTS/target_h/drivers/Ticker.h
deleted file mode 100644
index 7725490..0000000
--- a/UNITTESTS/target_h/drivers/Ticker.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (c) 2018-2019 Arm Limited and affiliates.
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef MBED_TICKER_H
-#define MBED_TICKER_H
-#include "drivers/TimerEvent.h"
-#include "platform/Callback.h"
-
-namespace mbed {
-/** \addtogroup drivers */
-
-/** mock Ticker
- *
- */
-class Ticker {
-
-public:
-    Ticker()
-    {
-    }
-
-    void attach_us(Callback<void()> func, us_timestamp_t t)
-    {
-
-    }
-
-    void detach()
-    {
-
-    }
-
-    ~Ticker()
-    {
-    }
-};
-
-} // namespace mbed
-
-#endif
diff --git a/drivers/tests/UNITTESTS/doubles/CMakeLists.txt b/drivers/tests/UNITTESTS/doubles/CMakeLists.txt
index a223876..cb64850 100644
--- a/drivers/tests/UNITTESTS/doubles/CMakeLists.txt
+++ b/drivers/tests/UNITTESTS/doubles/CMakeLists.txt
@@ -5,6 +5,7 @@
 
 target_include_directories(mbed-headers-drivers
     INTERFACE
+        .
         ${mbed-os_SOURCE_DIR}/drivers
         ${mbed-os_SOURCE_DIR}/drivers/include
         ${mbed-os_SOURCE_DIR}/drivers/include/drivers
diff --git a/drivers/tests/UNITTESTS/doubles/drivers/LowPowerTicker.h b/drivers/tests/UNITTESTS/doubles/drivers/LowPowerTicker.h
new file mode 100644
index 0000000..1d0bb6b
--- /dev/null
+++ b/drivers/tests/UNITTESTS/doubles/drivers/LowPowerTicker.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2018-2019 Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_LOWPOWERTICKER_H
+#define MBED_LOWPOWERTICKER_H
+
+#include "hal/ticker_api.h"
+#include "Callback.h"
+
+namespace mbed {
+
+/** mock Low Power Ticker
+ *
+ */
+class LowPowerTicker {
+
+public:
+    LowPowerTicker()
+    {
+    }
+
+    virtual ~LowPowerTicker()
+    {
+    }
+
+    void attach_us(Callback<void()> func, us_timestamp_t t)
+    {
+
+    }
+    void detach()
+    {
+
+    }
+};
+
+} // namespace mbed
+
+#endif
+
+
diff --git a/drivers/tests/UNITTESTS/doubles/drivers/Ticker.h b/drivers/tests/UNITTESTS/doubles/drivers/Ticker.h
new file mode 100644
index 0000000..7725490
--- /dev/null
+++ b/drivers/tests/UNITTESTS/doubles/drivers/Ticker.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018-2019 Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_TICKER_H
+#define MBED_TICKER_H
+#include "drivers/TimerEvent.h"
+#include "platform/Callback.h"
+
+namespace mbed {
+/** \addtogroup drivers */
+
+/** mock Ticker
+ *
+ */
+class Ticker {
+
+public:
+    Ticker()
+    {
+    }
+
+    void attach_us(Callback<void()> func, us_timestamp_t t)
+    {
+
+    }
+
+    void detach()
+    {
+
+    }
+
+    ~Ticker()
+    {
+    }
+};
+
+} // namespace mbed
+
+#endif