diff --git a/samples/faceDetection/index.js b/samples/faceDetection/index.js
index 13ccf04..3dd0435 100644
--- a/samples/faceDetection/index.js
+++ b/samples/faceDetection/index.js
@@ -173,7 +173,6 @@ function initUI() {
   });
 
   enableThreads();
-  }
 
   // Event listener for dowscale parameter.
   let downscaleLevelInput = document.getElementById('downscaleLevel');
diff --git a/samples/filters/index.html b/samples/filters/index.html
index 70ab355..b58d142 100644
--- a/samples/filters/index.html
+++ b/samples/filters/index.html
@@ -191,6 +191,11 @@
       <label id="hideStatsLabel" class="hidden" for="hideStats">Hide statistics</label>
       <input id="hideStats" class="hidden" type="checkbox" checked>
     </div>
+
+    <div class="threads-control centered hidden">
+      <label for="threadsNum" id="threadsNumLabel"></label>
+      <input type="number" id="threadsNum" min="1" max="16">
+    </div>
   </div>
   <video id="videoInput" class="hidden"></video>
 
diff --git a/samples/filters/js/ui.js b/samples/filters/js/ui.js
index 455dcb1..90d603e 100644
--- a/samples/filters/js/ui.js
+++ b/samples/filters/js/ui.js
@@ -120,6 +120,8 @@ function initUI() {
     utils.stopCamera();
     utils.startCamera(videoConstraint, 'videoInput', startVideoProcessing);
   });
+
+  enableThreads();
 }
 
 function setFilter(filter) {
diff --git a/samples/funnyHats/js/ui.js b/samples/funnyHats/js/ui.js
index c8d339f..5472a63 100644
--- a/samples/funnyHats/js/ui.js
+++ b/samples/funnyHats/js/ui.js
@@ -137,7 +137,6 @@ function initUI() {
   });
 
   enableThreads();
-  }
 
   // Event listener for dowscale parameter.
   let downscaleLevelInput = document.getElementById('downscaleLevel');
diff --git a/utils/utils.js b/utils/utils.js
index 6ac55c1..78e16ee 100644
--- a/utils/utils.js
+++ b/utils/utils.js
@@ -380,7 +380,6 @@ function addButtonToCameraBar(id, text, maxItems) {
 
 function enableThreads() {
   if (!isMobileDevice()) {
-    // Init threads number.
     let threadsControl = document.getElementsByClassName('threads-control')[0];
     threadsControl.classList.remove('hidden');
     let threadsNumLabel = document.getElementById('threadsNumLabel');