diff --git a/boards/nordic/nrf54l15dk/nrf54l15dk_nrf54l10_cpuapp.dts b/boards/nordic/nrf54l15dk/nrf54l15dk_nrf54l10_cpuapp.dts
index 1ae6be3e9e9c..020fdd16af2f 100644
--- a/boards/nordic/nrf54l15dk/nrf54l15dk_nrf54l10_cpuapp.dts
+++ b/boards/nordic/nrf54l15dk/nrf54l15dk_nrf54l10_cpuapp.dts
@@ -35,29 +35,39 @@
 		compatible = "fixed-partitions";
 		#address-cells = <1>;
 		#size-cells = <1>;
+
 		boot_partition: partition@0 {
 			label = "mcuboot";
 			reg = <0x0 DT_SIZE_K(64)>;
 		};
+
 		slot0_partition: partition@10000 {
 			label = "image-0";
-			reg = <0x10000 DT_SIZE_K(230)>;
+			reg = <0x10000 DT_SIZE_K(224)>;
 		};
-		slot0_ns_partition: partition@49800 {
+
+		slot0_ns_partition: partition@48000 {
 			label = "image-0-nonsecure";
-			reg = <0x49800 DT_SIZE_K(230)>;
+			reg = <0x48000 DT_SIZE_K(224)>;
 		};
-		slot1_partition: partition@83000 {
+
+		slot1_partition: partition@80000 {
 			label = "image-1";
-			reg = <0x83000 DT_SIZE_K(230)>;
+			reg = <0x80000 DT_SIZE_K(224)>;
 		};
-		slot1_ns_partition: partition@bc800 {
+
+		slot1_ns_partition: partition@b8000 {
 			label = "image-1-nonsecure";
-			reg = <0xbc800 DT_SIZE_K(230)>;
+			reg = <0xb8000 DT_SIZE_K(224)>;
 		};
-		storage_partition: partition@f6000 {
+
+		/* 32K from 0xf0000 to 0xf7fff reserved for TF-M partitions */
+
+		storage_partition: partition@f8000 {
 			label = "storage";
-			reg = <0xf6000 DT_SIZE_K(38)>;
+			reg = <0xf8000 DT_SIZE_K(28)>;
 		};
+
+		/* 2K from 0xff000 to 0xff7ff unused */
 	};
 };