diff --git a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/lib_drivers.h b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/lib_drivers.h
index 52978b0449..710bc7cafd 100644
--- a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/lib_drivers.h
+++ b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/lib_drivers.h
@@ -28,6 +28,8 @@ DECLARE_JS_WRAPPER_REGISTRATION (base) {
     REGISTER_GLOBAL_FUNCTION(gc);
     REGISTER_GLOBAL_FUNCTION(setInterval);
     REGISTER_GLOBAL_FUNCTION(setTimeout);
+    REGISTER_GLOBAL_FUNCTION(clearInterval);
+    REGISTER_GLOBAL_FUNCTION(clearTimeout);
     REGISTER_CLASS_CONSTRUCTOR(DigitalOut);
     REGISTER_CLASS_CONSTRUCTOR(I2C);
     REGISTER_CLASS_CONSTRUCTOR(InterruptIn);
diff --git a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setInterval-js.h b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setInterval-js.h
index 255af2523d..0936ca92ac 100644
--- a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setInterval-js.h
+++ b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setInterval-js.h
@@ -18,5 +18,6 @@
 #include "jerryscript-mbed-library-registry/wrap_tools.h"
 
 DECLARE_GLOBAL_FUNCTION(setInterval);
+DECLARE_GLOBAL_FUNCTION(clearInterval);
 
 #endif  // _JERRYSCRIPT_MBED_DRIVERS_SET_INTERVAL_H
diff --git a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setTimeout-js.h b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setTimeout-js.h
index d3812cbcba..88031c0d06 100644
--- a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setTimeout-js.h
+++ b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/setTimeout-js.h
@@ -18,5 +18,6 @@
 #include "jerryscript-mbed-library-registry/wrap_tools.h"
 
 DECLARE_GLOBAL_FUNCTION(setTimeout);
+DECLARE_GLOBAL_FUNCTION(clearTimeout);
 
 #endif  // _JERRYSCRIPT_MBED_DRIVERS_SET_TIMEOUT_H
diff --git a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setInterval.cpp b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setInterval.cpp
index 4953e50015..3e7d9687ba 100644
--- a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setInterval.cpp
+++ b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setInterval.cpp
@@ -31,6 +31,25 @@ DECLARE_GLOBAL_FUNCTION(setInterval) {
     jerry_acquire_value(args[0]);
     int interval = int(jerry_get_number_value(args[1]));
 
-    mbed::js::EventLoop::getInstance().getQueue().call_every(interval, jerry_call_function, args[0], jerry_create_null(), (jerry_value_t*)NULL, 0);
+    int id = mbed::js::EventLoop::getInstance().getQueue().call_every(interval, jerry_call_function, args[0], jerry_create_null(), (jerry_value_t*)NULL, 0);
+
+    return jerry_create_number(id);
+}
+
+/**
+ * clearInterval (native JavaScript function)
+ *
+ * Cancel an event that was previously scheduled via setInterval.
+ *
+ * @param id ID of the timeout event, returned by setInterval.
+ */
+DECLARE_GLOBAL_FUNCTION(clearInterval) {
+    CHECK_ARGUMENT_COUNT(global, clearInterval, (args_count == 1));
+    CHECK_ARGUMENT_TYPE_ALWAYS(global, clearInterval, 0, number);
+
+    int id = int(jerry_get_number_value(args[0]));
+
+    mbed::js::EventLoop::getInstance().getQueue().cancel(id);
+
     return jerry_create_undefined();
 }
diff --git a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setTimeout.cpp b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setTimeout.cpp
index f0df78f822..f153873c41 100644
--- a/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setTimeout.cpp
+++ b/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/setTimeout.cpp
@@ -31,7 +31,25 @@ DECLARE_GLOBAL_FUNCTION(setTimeout) {
     jerry_acquire_value(args[0]);
     int interval = int(jerry_get_number_value(args[1]));
 
-    mbed::js::EventLoop::getInstance().getQueue().call_in(interval, jerry_call_function, args[0], jerry_create_null(), (jerry_value_t*)NULL, 0);
+    int id = mbed::js::EventLoop::getInstance().getQueue().call_in(interval, jerry_call_function, args[0], jerry_create_null(), (jerry_value_t*)NULL, 0);
+
+    return jerry_create_number(id);
+}
+
+/**
+ * clearTimeout (native JavaScript function)
+ *
+ * Cancel an event that was previously scheduled via setTimeout.
+ *
+ * @param id ID of the timeout event, returned by setTimeout.
+ */
+DECLARE_GLOBAL_FUNCTION(clearTimeout) {
+    CHECK_ARGUMENT_COUNT(global, clearTimeout, (args_count == 1));
+    CHECK_ARGUMENT_TYPE_ALWAYS(global, clearTimeout, 0, number);
+
+    int id = int(jerry_get_number_value(args[0]));
+
+    mbed::js::EventLoop::getInstance().getQueue().cancel(id);
 
     return jerry_create_undefined();
 }