diff --git a/examples/tutorials/hotp/hotp_complete/main.c b/examples/tutorials/hotp/hotp_complete/main.c
index d5da51d43..1b6e5b728 100644
--- a/examples/tutorials/hotp/hotp_complete/main.c
+++ b/examples/tutorials/hotp/hotp_complete/main.c
@@ -338,8 +338,7 @@ static void get_next_code(int slot_num) {
   }
 
   // Write the value to the USB keyboard.
-  uint8_t keyboard_buffer[64]; // TODO: grab PR #333 once merged to remove this unnecessary buffer
-  ret = usb_keyboard_hid_send_string_sync(keyboard_buffer, hotp_format_buffer, len);
+  ret = usb_keyboard_hid_send_string_sync(hotp_format_buffer, len);
   if (ret < 0) {
     printf("ERROR sending string with USB keyboard HID: %i\r\n", ret);
   } else {
diff --git a/examples/tutorials/hotp/hotp_milestone_one/main.c b/examples/tutorials/hotp/hotp_milestone_one/main.c
index 269b9ca0c..8bc214835 100644
--- a/examples/tutorials/hotp/hotp_milestone_one/main.c
+++ b/examples/tutorials/hotp/hotp_milestone_one/main.c
@@ -287,8 +287,7 @@ static void get_next_code(void) {
   }
 
   // Write the value to the USB keyboard.
-  uint8_t keyboard_buffer[64]; // TODO: grab PR #333 once merged to remove this unnecessary buffer
-  int ret = usb_keyboard_hid_send_string_sync(keyboard_buffer, hotp_format_buffer, len);
+  int ret = usb_keyboard_hid_send_string_sync(hotp_format_buffer, len);
   if (ret < 0) {
     printf("ERROR sending string with USB keyboard HID: %i\r\n", ret);
   } else {
diff --git a/examples/tutorials/hotp/hotp_milestone_two/main.c b/examples/tutorials/hotp/hotp_milestone_two/main.c
index b0cce5efe..ea2dcf6c0 100644
--- a/examples/tutorials/hotp/hotp_milestone_two/main.c
+++ b/examples/tutorials/hotp/hotp_milestone_two/main.c
@@ -331,8 +331,7 @@ static void get_next_code(void) {
   }
 
   // Write the value to the USB keyboard.
-  uint8_t keyboard_buffer[64]; // TODO: grab PR #333 once merged to remove this unnecessary buffer
-  ret = usb_keyboard_hid_send_string_sync(keyboard_buffer, hotp_format_buffer, len);
+  ret = usb_keyboard_hid_send_string_sync(hotp_format_buffer, len);
   if (ret < 0) {
     printf("ERROR sending string with USB keyboard HID: %i\r\n", ret);
   } else {
diff --git a/examples/tutorials/hotp/hotp_starter/main.c b/examples/tutorials/hotp/hotp_starter/main.c
index 883d987f8..a535de712 100644
--- a/examples/tutorials/hotp/hotp_starter/main.c
+++ b/examples/tutorials/hotp/hotp_starter/main.c
@@ -238,8 +238,7 @@ static void get_next_code(void) {
   }
 
   // Write the value to the USB keyboard.
-  uint8_t keyboard_buffer[64]; // TODO: grab PR #333 once merged to remove this unnecessary buffer
-  int ret = usb_keyboard_hid_send_string_sync(keyboard_buffer, hotp_format_buffer, len);
+  int ret = usb_keyboard_hid_send_string_sync(hotp_format_buffer, len);
   if (ret < 0) {
     printf("ERROR sending string with USB keyboard HID: %i\r\n", ret);
   } else {