diff --git a/examples/device/cdc_msc_hid/src/main.c b/examples/device/cdc_msc_hid/src/main.c
index 771638ac4..c3295fd50 100644
--- a/examples/device/cdc_msc_hid/src/main.c
+++ b/examples/device/cdc_msc_hid/src/main.c
@@ -61,9 +61,7 @@ int main(void)
 
   while (1)
   {
-    // tinyusb device task
-    tud_task();
-
+    tud_task(); // tinyusb device task
     led_blinking_task();
 
 #if CFG_TUD_CDC
diff --git a/examples/device/hid_generic_inout/src/main.c b/examples/device/hid_generic_inout/src/main.c
index 77d6cf7b5..c1dc43b34 100644
--- a/examples/device/hid_generic_inout/src/main.c
+++ b/examples/device/hid_generic_inout/src/main.c
@@ -76,9 +76,7 @@ int main(void)
 
   while (1)
   {
-    // tinyusb device task
-    tud_task();
-
+    tud_task(); // tinyusb device task
     led_blinking_task();
   }
 
diff --git a/examples/device/midi_test/src/main.c b/examples/device/midi_test/src/main.c
index 03b4554c9..381bcf634 100644
--- a/examples/device/midi_test/src/main.c
+++ b/examples/device/midi_test/src/main.c
@@ -66,11 +66,8 @@ int main(void)
 
   while (1)
   {
-    // tinyusb device task
-    tud_task();
-
+    tud_task(); // tinyusb device task
     led_blinking_task();
-
     midi_task();
   }
 
diff --git a/examples/device/msc_dual_lun/src/main.c b/examples/device/msc_dual_lun/src/main.c
index 060f20644..0293261ad 100644
--- a/examples/device/msc_dual_lun/src/main.c
+++ b/examples/device/msc_dual_lun/src/main.c
@@ -58,9 +58,7 @@ int main(void)
 
   while (1)
   {
-    // tinyusb device task
-    tud_task();
-
+    tud_task(); // tinyusb device task
     led_blinking_task();
   }