diff --git a/matter/si91x/siwx917/BRD4342A/config/sl_si91x_ulp_uart_common_config.h b/matter/si91x/siwx917/BRD4342A/config/sl_si91x_ulp_uart_common_config.h
deleted file mode 100644
index 921e7a507c..0000000000
--- a/matter/si91x/siwx917/BRD4342A/config/sl_si91x_ulp_uart_common_config.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/***************************************************************************/ /**
- * @file sl_si91x_ulp_uart_common_config.h
- * @brief SL SI91X ULP UART Common Config.
- *******************************************************************************
- * # License
- * Copyright 2023 Silicon Laboratories Inc. www.silabs.com
- *******************************************************************************
- *
- * SPDX-License-Identifier: Zlib
- *
- * The licensor of this software is Silicon Laboratories Inc.
- *
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- *
- ******************************************************************************/
-
-#ifndef SL_SI91X_ULP_UART_COMMON_CONFIG_H
-#define SL_SI91X_ULP_UART_COMMON_CONFIG_H
-
-// <<< Use Configuration Wizard in Context Menu >>>
-// DMA Configuration
-
-// ULP UART DMA
-// Default: 1
-#define SL_ULPUART_DMA_CONFIG_ENABLE 0
-
-//
-// <<< end of configuration section >>>
-#endif // SL_SI91X_ULP_UART_COMMON_CONFIG_H
diff --git a/matter/si91x/siwx917/BRD4342A/config/sl_si91x_ulp_uart_config.h b/matter/si91x/siwx917/BRD4342A/config/sl_si91x_ulp_uart_config.h
deleted file mode 100644
index 8bd20f97e9..0000000000
--- a/matter/si91x/siwx917/BRD4342A/config/sl_si91x_ulp_uart_config.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/***************************************************************************/ /**
- * @file sl_si91x_ulp_uart_config.h
- * @brief SL ULP UART Config.
- *******************************************************************************
- * # License
- * Copyright 2023 Silicon Laboratories Inc. www.silabs.com
- *******************************************************************************
- *
- * SPDX-License-Identifier: Zlib
- *
- * The licensor of this software is Silicon Laboratories Inc.
- *
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- *
- ******************************************************************************/
-
-#ifndef SL_SI91X_ULP_UART_CONFIG_H
-#define SL_SI91X_ULP_UART_CONFIG_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "sl_si91x_usart.h"
-
-// <<< Use Configuration Wizard in Context Menu >>>
-
-// ULP UART UC Configuration
-// Enable: Peripheral configuration is taken straight from the configuration set in the universal configuration (UC).
-// Disable: If the application demands it to be modified during runtime, use the sl_si91x_uart_set_configuration API to modify the peripheral configuration.
-// Default: 1
-#define ULP_UART_UC 1
-#define ULPUART_MODULE 2
-
-// UART Configuration
-#define ENABLE 1
-#define DISABLE 0
-
-#if (ULP_UART_UC)
-// Baud Rate (Baud/Second) <300-7372800>
-// Default: 115200
-#define SL_ULP_UART_BAUDRATE 115200
-
-// Parity
-// No Parity
-// Even
-// Odd
-// Default: SL_USART_NO_PARITY
-#define SL_ULP_UART_PARITY SL_USART_NO_PARITY
-
-// Stop Bits
-// 1
-// 1.5
-// 2
-// Default: USART_STOP_BITS_1
-#define SL_ULP_UART_STOP_BITS SL_USART_STOP_BITS_1
-
-// Data Width
-// 5
-// 6
-// 7
-// 8
-// Default: USART_DATA_BITS_8
-#define SL_ULP_UART_DATA_BITS SL_USART_DATA_BITS_8
-
-// Flow control
-// None
-// Default: USART_FLOW_CONTROL_NONE
-#define SL_ULP_UART_FLOW_CONTROL_TYPE SL_USART_FLOW_CONTROL_NONE
-#endif
-
-// ULP_UART Configuration
-//
-
-#ifdef __cplusplus
-}
-#endif
-// <<< end of configuration section >>>
-
-#if (ULP_UART_UC)
-sl_si91x_usart_control_config_t ulp_uart_configuration = { .baudrate = SL_ULP_UART_BAUDRATE,
- .mode = SL_USART_MODE_ASYNCHRONOUS,
- .parity = SL_ULP_UART_PARITY,
- .stopbits = SL_ULP_UART_STOP_BITS,
- .hwflowcontrol = SL_ULP_UART_FLOW_CONTROL_TYPE,
- .databits = SL_ULP_UART_DATA_BITS,
- .usart_module = ULPUART_MODULE };
-
-#endif //ULP_UART_UC
-#endif //SL_SI91X_UART_CONFIG_H