diff --git a/config/telink/chip-module/Kconfig.defaults b/config/telink/chip-module/Kconfig.defaults
index 85a80b22b2084f..a708636fa97683 100644
--- a/config/telink/chip-module/Kconfig.defaults
+++ b/config/telink/chip-module/Kconfig.defaults
@@ -75,9 +75,6 @@ config SYSTEM_WORKQUEUE_STACK_SIZE
 config HEAP_MEM_POOL_SIZE
     default 256
 
-config COMMON_LIBC_MALLOC_ARENA_SIZE
-    default 12288
-
 config COMMON_LIBC_MALLOC_ARENA_SIZE 
     default 12288
 
@@ -157,7 +154,7 @@ choice B9X_BLE_CTRL_MAC_TYPE
     default B9X_BLE_CTRL_MAC_TYPE_RANDOM_STATIC
 endchoice
 
-#Board retention config
+# Board retention config
 if BOARD_TLSR9528A_RETENTION || BOARD_TLSR9518ADK80D_RETENTION
 config BOARD_TLSR9X_NON_RETENTION_RAM_CODE
     default y if PM
diff --git a/examples/platform/telink/common/src/AppTaskCommon.cpp b/examples/platform/telink/common/src/AppTaskCommon.cpp
index 9ffe341d97cec9..8460cfb42d9b8b 100644
--- a/examples/platform/telink/common/src/AppTaskCommon.cpp
+++ b/examples/platform/telink/common/src/AppTaskCommon.cpp
@@ -54,7 +54,7 @@ const struct gpio_dt_spec sBleStartButtonDt = GPIO_DT_SPEC_GET(DT_NODELABEL(key_
 #if APP_USE_THREAD_START_BUTTON
 const struct gpio_dt_spec sThreadStartButtonDt = GPIO_DT_SPEC_GET(DT_NODELABEL(key_3), gpios);
 #endif
-#if APP_USE_EXAMPLE_START_BUTTON 
+#if APP_USE_EXAMPLE_START_BUTTON
 const struct gpio_dt_spec sExampleActionButtonDt = GPIO_DT_SPEC_GET(DT_NODELABEL(key_4), gpios);
 #endif
 #else
diff --git a/src/platform/telink/CHIPDevicePlatformConfig.h b/src/platform/telink/CHIPDevicePlatformConfig.h
index 9f1388d122baec..07967f8b273e4f 100644
--- a/src/platform/telink/CHIPDevicePlatformConfig.h
+++ b/src/platform/telink/CHIPDevicePlatformConfig.h
@@ -101,10 +101,10 @@
 #define CHIP_DEVICE_CONFIG_ENABLE_WIFI_AP 0
 #endif
 
-#ifndef CONFIG_BT
-#define CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE 0
-#else
+#ifdef CONFIG_BT
 #define CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE CONFIG_BT
+#else
+#define CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE 0
 #endif
 
 // ========== Platform-specific Configuration =========
diff --git a/src/platform/telink/tlsr9528a_retention.overlay b/src/platform/telink/tlsr9528a_retention.overlay
deleted file mode 100644
index c57cc0eb0341e2..00000000000000
--- a/src/platform/telink/tlsr9528a_retention.overlay
+++ /dev/null
@@ -1,116 +0,0 @@
-/ {
-	aliases {
-		system-state-led = &led_red;
-		pwm-led0 = &pwm_led0;
-		pwm-led1 = &pwm_led1;
-		pwm-led2 = &pwm_led2;
-		pwm-led3 = &pwm_led3;
-	};
-
-	pwm_leds {
-		/delete-node/ pwm_led_0;
-		pwm_led0: pwm_led_0 {
-			pwms = <&pwm0 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
-			label = "PWM LED Blue";
-		};
-		pwm_led1: pwm_led_1 {
-			pwms = <&pwm0 3 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
-			label = "PWM LED Green";
-		};
-		pwm_led2: pwm_led_2 {
-			pwms = <&pwm0 2 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
-			label = "PWM LED Red";
-		};
-		pwm_led3: pwm_led_3 {
-			pwms = <&pwm0 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
-			label = "PWM IDENTIFY LED Green";
-	    };
-    };
-
-	keys {
-		/delete-node/ button_1;
-		/delete-node/ button_3;
-		compatible = "gpio-keys";
-		key_1: button_1 {
-			gpios = <&gpiod 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
-		};
-		key_2: button_2 {
-			gpios = <&gpiod 7 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
-		};
-		key_3: button_3 {
-			gpios = <&gpiod 6 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
-		};
-		key_4: button_4 {
-			gpios = <&gpiof 6 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
-		};
-
-		key_matrix_col1: key_matrix_col1 {
-			gpios = <&gpiod 6 GPIO_ACTIVE_HIGH>;
-		};
-		key_matrix_col2: key_matrix_col2 {
-			gpios = <&gpiof 6 GPIO_ACTIVE_HIGH>;
-		};
-		key_matrix_row1: key_matrix_row1 {
-			gpios = <&gpiod 2 GPIO_PULL_DOWN>;
-		};
-		key_matrix_row2: key_matrix_row2 {
-			gpios = <&gpiod 7 GPIO_PULL_DOWN>;
-		};
-	};
-};
-
-&pinctrl {
-	pwm_ch0_pd0_default: pwm_ch0_pd0_default {
-		pinmux = <B9x_PINMUX_SET(B9x_PORT_D, B9x_PIN_0, B92_FUNC_PWM0)>;
-	};
-	pwm_ch1_pd1_default: pwm_ch1_pd1_default {
-		pinmux = <B9x_PINMUX_SET(B9x_PORT_D, B9x_PIN_1, B92_FUNC_PWM1)>;
-	};
-	pwm_ch2_pe2_default: pwm_ch2_pe2_default {
-		pinmux = <B9x_PINMUX_SET(B9x_PORT_E, B9x_PIN_2, B92_FUNC_PWM2)>;
-	};
-	pwm_ch3_pe0_default: pwm_ch3_pe0_default {
-		pinmux = <B9x_PINMUX_SET(B9x_PORT_E, B9x_PIN_0, B92_FUNC_PWM3)>;
-	};
-};
-
-&pwm0 {
-	pinctrl-0 = <&pwm_ch0_pd0_default &pwm_ch1_pd1_default &pwm_ch2_pe2_default &pwm_ch3_pe0_default>;
-};
-
-&flash {
-	reg = <0x20000000 0x200000>;
-
-	partitions {
-		/delete-node/ partition@0;
-		/delete-node/ partition@20000;
-		/delete-node/ partition@88000;
-		/delete-node/ partition@f0000;
-		/delete-node/ partition@f4000;
-		/delete-node/ partition@fe000;
-		boot_partition: partition@0 {
-			label = "mcuboot";
-			reg = <0x00000000 0x19000>;
-		};
-		slot0_partition: partition@19000 {
-			label = "image-0";
-			reg = <0x19000 0xee000>;
-		};
-		factory_partition: partition@107000 {
-			label = "factory-data";
-			reg = <0x107000 0x1000>;
-		};
-		storage_partition: partition@108000 {
-			label = "storage";
-			reg = <0x108000 0x8000>;
-		};
-		slot1_partition: partition@110000 {
-			label = "image-1";
-			reg = <0x110000 0xee000>;
-		};
-		vendor_partition: partition@1fe000 {
-			label = "vendor-data";
-			reg = <0x1fe000 0x2000>;
-		};
-	};
-};
diff --git a/src/platform/telink/tlsr9528a_retention.overlay b/src/platform/telink/tlsr9528a_retention.overlay
new file mode 120000
index 00000000000000..cdead16cfc4022
--- /dev/null
+++ b/src/platform/telink/tlsr9528a_retention.overlay
@@ -0,0 +1 @@
+tlsr9528a.overlay
\ No newline at end of file