diff --git a/app/src/split/wired/central.c b/app/src/split/wired/central.c
index 1284d4c7c..157092f78 100644
--- a/app/src/split/wired/central.c
+++ b/app/src/split/wired/central.c
@@ -119,6 +119,13 @@ static void send_pending_tx_work_cb(struct k_work *work);
 
 static K_WORK_DEFINE(wired_central_tx_work, send_pending_tx_work_cb);
 
+static void read_timer_cb(struct k_timer *_timer) {
+    zmk_split_wired_poll_in(&rx_buf, uart, &publish_events, NULL);
+    // Check if we found any bytes, read some, or read all the bytes in the RX
+}
+
+static K_TIMER_DEFINE(wired_central_read_timer, read_timer_cb, NULL);
+
 #endif
 
 static void begin_tx(void) {
@@ -285,13 +292,6 @@ static void send_pending_tx_work_cb(struct k_work *work) {
     zmk_split_wired_poll_out(&tx_buf, uart);
 }
 
-static void read_timer_cb(struct k_timer *_timer) {
-    zmk_split_wired_poll_in(&rx_buf, uart, &publish_events, NULL);
-    // Check if we found any bytes, read some, or read all the bytes in the RX
-}
-
-static K_TIMER_DEFINE(wired_central_read_timer, read_timer_cb, NULL);
-
 #endif
 
 #if HAS_DETECT_GPIO
diff --git a/app/src/split/wired/peripheral.c b/app/src/split/wired/peripheral.c
index 562da72bf..72300ca50 100644
--- a/app/src/split/wired/peripheral.c
+++ b/app/src/split/wired/peripheral.c
@@ -105,6 +105,16 @@ static struct zmk_split_wired_async_state async_state = {
 
 #endif
 
+#if IS_ENABLED(CONFIG_ZMK_SPLIT_WIRED_UART_MODE_POLLING)
+
+static void wired_peripheral_read_tick_cb(struct k_timer *timer) {
+    zmk_split_wired_poll_in(&chosen_rx_buf, uart, NULL, process_tx_cb);
+}
+
+static K_TIMER_DEFINE(wired_peripheral_read_timer, wired_peripheral_read_tick_cb, NULL);
+
+#endif // IS_ENABLED(CONFIG_ZMK_SPLIT_WIRED_UART_MODE_POLLING)
+
 static void begin_rx(void) {
 #if IS_ENABLED(CONFIG_PM_DEVICE_RUNTIME)
     pm_device_runtime_get(uart);
@@ -117,7 +127,7 @@ static void begin_rx(void) {
 #elif IS_ENABLED(CONFIG_ZMK_SPLIT_WIRED_UART_MODE_ASYNC)
     zmk_split_wired_async_rx(&async_state);
 #else
-    k_timer_start(&wired_central_read_timer, K_TICKS(CONFIG_ZMK_SPLIT_WIRED_POLLING_RX_PERIOD),
+    k_timer_start(&wired_peripheral_read_timer, K_TICKS(CONFIG_ZMK_SPLIT_WIRED_POLLING_RX_PERIOD),
                   K_TICKS(CONFIG_ZMK_SPLIT_WIRED_POLLING_RX_PERIOD));
 #endif
 }
@@ -130,7 +140,7 @@ static void stop_rx(void) {
 #elif IS_ENABLED(CONFIG_ZMK_SPLIT_WIRED_UART_MODE_ASYNC)
     zmk_split_wired_async_rx_cancel(&async_state);
 #else
-    k_timer_stop(&wired_central_read_timer);
+    k_timer_stop(&wired_peripheral_read_timer);
 #endif
 
 #if IS_ENABLED(CONFIG_PM_DEVICE_RUNTIME)
@@ -177,12 +187,6 @@ static void send_pending_tx_work_cb(struct k_work *work) {
 
 static K_WORK_DEFINE(send_pending_tx, send_pending_tx_work_cb);
 
-static void wired_peripheral_read_tick_cb(struct k_timer *timer) {
-    zmk_split_wired_poll_in(&chosen_rx_buf, uart, NULL, process_tx_cb);
-}
-
-static K_TIMER_DEFINE(wired_peripheral_read_timer, wired_peripheral_read_tick_cb, NULL);
-
 #endif
 
 #if HAS_DETECT_GPIO