diff --git a/firmware/Core/Inc/keyboard.h b/firmware/Core/Inc/keyboard.h
index e37104f..3bfd07d 100644
--- a/firmware/Core/Inc/keyboard.h
+++ b/firmware/Core/Inc/keyboard.h
@@ -18,8 +18,6 @@
 
 #define SPECIAL(X) (0b1000000000000000 | X)
 
-uint32_t keyboard_last_cycle_duration;
-
 struct __attribute__((__packed__)) calibration {
   uint16_t cycles_count;
   uint16_t idle_value;
@@ -38,8 +36,6 @@ struct __attribute__((__packed__)) state {
   float filtered_distance;
   int8_t velocity;
   uint8_t filtered_distance_8bits;
-  uint32_t last_update_started_at;
-  uint32_t last_update_ended_at;
 };
 
 enum actuation_status {
diff --git a/firmware/Core/Src/hid.c b/firmware/Core/Src/hid.c
index f9d90a5..fc01828 100644
--- a/firmware/Core/Src/hid.c
+++ b/firmware/Core/Src/hid.c
@@ -7,6 +7,7 @@
 extern uint8_t const desc_ms_os_20[];
 extern struct key keyboard_keys[ADC_CHANNEL_COUNT][AMUX_CHANNEL_COUNT];
 extern struct user_config keyboard_user_config;
+extern uint32_t keyboard_last_cycle_duration;
 
 static uint8_t should_send_consumer_report = 0;
 static uint8_t should_send_keyboard_report = 0;
diff --git a/firmware/Core/Src/keyboard.c b/firmware/Core/Src/keyboard.c
index 42c3af4..e798ad5 100644
--- a/firmware/Core/Src/keyboard.c
+++ b/firmware/Core/Src/keyboard.c
@@ -6,6 +6,7 @@
 
 struct key keyboard_keys[ADC_CHANNEL_COUNT][AMUX_CHANNEL_COUNT] = {0};
 struct user_config keyboard_user_config = {0};
+
 uint32_t keyboard_last_cycle_duration = 0;
 
 static uint8_t key_triggered = 0;
@@ -82,8 +83,6 @@ void init_key(uint8_t adc_channel, uint8_t amux_channel, uint8_t row, uint8_t co
 uint8_t update_key_state(struct key *key) {
   struct state state;
 
-  state.last_update_started_at = keyboard_get_time();
-
   // Get a reading
   state.value = keyboard_read_adc();
 
@@ -156,7 +155,6 @@ uint8_t update_key_state(struct key *key) {
     }
   }
 
-  state.last_update_ended_at = keyboard_get_time();
   key->state = state;
   return 1;
 }
diff --git a/web-app/app/routes/_layout.configurator.tsx b/web-app/app/routes/_layout.configurator.tsx
index 3740407..40e3b1a 100644
--- a/web-app/app/routes/_layout.configurator.tsx
+++ b/web-app/app/routes/_layout.configurator.tsx
@@ -166,7 +166,11 @@ export default function Index() {
             <Button onClick={loadUserConfig}>Load Config</Button>
             <Button onClick={persistUserConfig}>Save Config</Button>
             <Button onClick={() => write('VENDOR_REQUEST_RESET_CONFIG')}>Reset Config</Button>
-            <Button onClick={async () => console.log(await read('VENDOR_REQUEST_CYCLE_DURATION'))}>
+            <Button
+              onClick={async () =>
+                console.log((await read('VENDOR_REQUEST_CYCLE_DURATION')).getInt32(0, true))
+              }
+            >
               Get cycle duration (in console)
             </Button>
             <Button onClick={() => write('VENDOR_REQUEST_DFU_MODE')}>DFU Mode</Button>
diff --git a/web-app/app/useDevice.ts b/web-app/app/useDevice.ts
index cfc12e6..dc22810 100644
--- a/web-app/app/useDevice.ts
+++ b/web-app/app/useDevice.ts
@@ -116,8 +116,6 @@ export type Key = {
     filteredDistance: number // float int32_t ?
     velocity: number // int8_t
     filteredDistance8bits: number // uint8_t
-    lastUpdateStartedAt: number // uint32_t
-    lastUpdateEndedAt: number // uint32_t
   }
   actuation: {
     direction: (typeof actuationDirections)[number] // uint8_t
@@ -182,8 +180,6 @@ function parseKeys(data: DataView): Key[] {
           filteredDistance: getValue(data, 'float', false),
           velocity: getValue(data, 8, false),
           filteredDistance8bits: getValue(data, 8),
-          lastUpdateStartedAt: getValue(data, 32),
-          lastUpdateEndedAt: getValue(data, 32),
         },
         actuation: {
           direction: actuationDirections[getValue(data, 8)],