diff --git a/examples/platform/silabs/MatterConfig.cpp b/examples/platform/silabs/MatterConfig.cpp
index b7f007b07b..63e6b2ff10 100644
--- a/examples/platform/silabs/MatterConfig.cpp
+++ b/examples/platform/silabs/MatterConfig.cpp
@@ -48,10 +48,12 @@
 #include "MemMonitoring.h"
 #endif
 
-#if defined(SLI_SI91X_MCU_INTERFACE) && SLI_SI91X_MCU_INTERFACE == 1
-#include <platform/silabs/SiWx917/SiWxPlatformInterface.h>
+#if ( ( defined(SLI_SI91X_MCU_INTERFACE) && SLI_SI91X_MCU_INTERFACE == 1 ) || defined(EXP_BOARD) )
 #include <platform/silabs/wifi/wiseconnect-abstraction/WiseconnectInterfaceAbstraction.h>
-#endif // SLI_SI91X_MCU_INTERFACE
+#if !defined(EXP_BOARD)
+#include <platform/silabs/SiWx917/SiWxPlatformInterface.h>
+#endif  //!defined(EXP_BOARD)
+#endif // ( ( defined(SLI_SI91X_MCU_INTERFACE) && SLI_SI91X_MCU_INTERFACE == 1 ) || defined(EXP_BOARD) )
 
 #include <crypto/CHIPCryptoPAL.h>
 // If building with the EFR32-provided crypto backend, we can use the
@@ -379,9 +381,9 @@ CHIP_ERROR SilabsMatterConfig::InitWiFi(void)
 #endif // SL_WFX_USE_SECURE_LINK
 #endif // WF200_WIFI
 
-#if defined(SLI_SI91X_MCU_INTERFACE) && SLI_SI91X_MCU_INTERFACE == 1
+#if ( ( defined(SLI_SI91X_MCU_INTERFACE) && SLI_SI91X_MCU_INTERFACE == 1 ) || defined(EXP_BOARD) )
     VerifyOrReturnError(sl_matter_wifi_platform_init() == SL_STATUS_OK, CHIP_ERROR_INTERNAL);
-#endif // SLI_SI91X_MCU_INTERFACE
+#endif // ( ( defined(SLI_SI91X_MCU_INTERFACE) && SLI_SI91X_MCU_INTERFACE == 1 ) || defined(EXP_BOARD) )
 
     return CHIP_NO_ERROR;
 }
diff --git a/src/platform/silabs/PlatformManagerImpl.cpp b/src/platform/silabs/PlatformManagerImpl.cpp
index 9ffb217103..5739fb7e20 100644
--- a/src/platform/silabs/PlatformManagerImpl.cpp
+++ b/src/platform/silabs/PlatformManagerImpl.cpp
@@ -84,10 +84,10 @@ CHIP_ERROR PlatformManagerImpl::_InitChipStack(void)
     err = chip::DeviceLayer::PersistedStorage::KeyValueStoreMgrImpl().Init();
     SuccessOrExit(err);
 
-#if CHIP_SYSTEM_CONFIG_USE_LWIP && !defined(SLI_SI91X_MCU_INTERFACE)
+#if CHIP_SYSTEM_CONFIG_USE_LWIP && !defined(SLI_SI91X_MCU_INTERFACE) && !defined(EXP_BOARD)
     // Initialize LwIP.
     tcpip_init(NULL, NULL);
-#endif // CHIP_SYSTEM_CONFIG_USE_LWIP && !defined(SLI_SI91X_MCU_INTERFACE)
+#endif // CHIP_SYSTEM_CONFIG_USE_LWIP && !defined(SLI_SI91X_MCU_INTERFACE) && !defined(EXP_BOARD)
 
     ReturnErrorOnFailure(System::Clock::InitClock_RealTime());
 
diff --git a/src/platform/silabs/wifi/SiWx/WifiInterface.cpp b/src/platform/silabs/wifi/SiWx/WifiInterface.cpp
index 0e8181cc06..12b8b3733c 100644
--- a/src/platform/silabs/wifi/SiWx/WifiInterface.cpp
+++ b/src/platform/silabs/wifi/SiWx/WifiInterface.cpp
@@ -254,12 +254,6 @@ sl_status_t sl_wifi_siwx917_init(void)
     RSI_NPSSGPIO_InputBufferEn(RTE_UULP_GPIO_1_PIN, 1);
 #endif // ENABLE_CHIP_SHELL
 #endif // CHIP_CONFIG_ENABLE_ICD_SERVER
-
-#else
-    // NCP Configurations
-    status = sl_matter_wifi_platform_init();
-    VerifyOrReturnError(status == SL_STATUS_OK, status,
-                        ChipLogError(DeviceLayer, "sl_matter_wifi_platform_init failed: 0x%lx", static_cast<uint32_t>(status)));
 #endif // SLI_SI91X_MCU_INTERFACE
 
     sl_wifi_firmware_version_t version = { 0 };
diff --git a/src/platform/silabs/wifi/rs911x/platform/efx32_ncp_host.c b/src/platform/silabs/wifi/rs911x/platform/efx32_ncp_host.c
index 0d269f5806..1c7fe2d194 100644
--- a/src/platform/silabs/wifi/rs911x/platform/efx32_ncp_host.c
+++ b/src/platform/silabs/wifi/rs911x/platform/efx32_ncp_host.c
@@ -33,6 +33,9 @@
 #include <platform/silabs/wifi/wf200/platform/spi_multiplex.h>
 #include <stdbool.h>
 #include <string.h>
+#include "sl_spidrv_exp_config.h"
+#include "sl_spidrv_instances.h"
+#include "spidrv.h"
 
 #if defined(SL_CATLOG_POWER_MANAGER_PRESENT)
 #include "sl_power_manager.h"
@@ -42,25 +45,21 @@
 #include "sl_board_control.h"
 #endif // SL_BOARD_NAME
 
-#include "sl_spidrv_exp_config.h"
-#include "sl_spidrv_instances.h"
-#include "spidrv.h"
 
-#define MAX_DATA_PACKET_SIZE 1800
 #define LDMA_MAX_TRANSFER_LENGTH 4096
 #define LDMA_DESCRIPTOR_ARRAY_LENGTH (LDMA_MAX_TRANSFER_LENGTH / 2048)
+#define SPI_HANDLE sl_spidrv_exp_handle
+#define MAX_DATA_PACKET_SIZE 1800
 
 // use SPI handle for EXP header (configured in project settings)
 extern SPIDRV_Handle_t sl_spidrv_exp_handle;
-#define SPI_HANDLE sl_spidrv_exp_handle
 static uint8_t dummy_buffer[MAX_DATA_PACKET_SIZE] = { 0 };
+static sl_si91x_host_init_configuration init_config = { 0 };
 
 uint32_t rx_ldma_channel;
 uint32_t tx_ldma_channel;
 osMutexId_t ncp_transfer_mutex = 0;
 
-static sl_si91x_host_init_configuration init_config = { 0 };
-
 // LDMA descriptor and transfer configuration structures for USART TX channel
 LDMA_Descriptor_t ldmaTXDescriptor[LDMA_DESCRIPTOR_ARRAY_LENGTH];
 LDMA_TransferCfg_t ldmaTXConfig;