diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6e87b08..0a7808a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -119,6 +119,7 @@ Development
 
 * Any project specific build variable should be mentioned inside `version.h` as
   well.
+* Recommended compiler is `clang`.
 
 HIG
 ---
@@ -211,3 +212,7 @@ Tools
         // declare with default value
         bool m_prop = false;
   ```
+* Use `cppcheck` to avoid common errors in the code. Refer to `utils` for more
+  details.
+* Use `clang-format` to apply valid code format. Refer to `utils` for more
+  details.
diff --git a/sources/awesome-widget/plugin/awkeys.cpp b/sources/awesome-widget/plugin/awkeys.cpp
index 857a4a7..0499e5a 100644
--- a/sources/awesome-widget/plugin/awkeys.cpp
+++ b/sources/awesome-widget/plugin/awkeys.cpp
@@ -523,16 +523,8 @@ void AWKeys::updateTextData()
 {
     qCDebug(LOG_AW);
 
-#ifdef BUILD_FUTURE
-    QFuture<QString> text = QtConcurrent::run(m_threadPool, [this]() {
-        calculateValues();
-        return parsePattern(m_pattern);
-    });
-#else /* BUILD_FUTURE */
     calculateValues();
-    QString text = parsePattern(m_pattern);
-#endif /* BUILD_FUTURE */
-    emit(needTextToBeUpdated(text));
+    emit(needTextToBeUpdated(parsePattern(m_pattern)));
     emit(dataAggregator->updateData(values));
 }