diff --git a/boards/renesas/ek_ra8d1/ek_ra8d1_defconfig b/boards/renesas/ek_ra8d1/ek_ra8d1_defconfig
index daa9e38c77bd09..02195f347f9c1c 100644
--- a/boards/renesas/ek_ra8d1/ek_ra8d1_defconfig
+++ b/boards/renesas/ek_ra8d1/ek_ra8d1_defconfig
@@ -16,5 +16,3 @@ CONFIG_CLOCK_CONTROL=y
 
 CONFIG_BUILD_OUTPUT_HEX=y
 CONFIG_BUILD_NO_GAP_FILL=y
-
-CONFIG_FLASH=y
diff --git a/boards/renesas/ek_ra8m1/ek_ra8m1_defconfig b/boards/renesas/ek_ra8m1/ek_ra8m1_defconfig
index dca93f2b9e0459..d68962b8c92e91 100644
--- a/boards/renesas/ek_ra8m1/ek_ra8m1_defconfig
+++ b/boards/renesas/ek_ra8m1/ek_ra8m1_defconfig
@@ -16,5 +16,3 @@ CONFIG_CONSOLE=y
 CONFIG_BUILD_OUTPUT_HEX=y
 CONFIG_BUILD_NO_GAP_FILL=y
 CONFIG_CLOCK_CONTROL=y
-
-CONFIG_FLASH=y
diff --git a/boards/renesas/mck_ra8t1/mck_ra8t1_defconfig b/boards/renesas/mck_ra8t1/mck_ra8t1_defconfig
index 29889ab9ae6caf..5cd13d146bfb5c 100644
--- a/boards/renesas/mck_ra8t1/mck_ra8t1_defconfig
+++ b/boards/renesas/mck_ra8t1/mck_ra8t1_defconfig
@@ -17,5 +17,3 @@ CONFIG_CLOCK_CONTROL=y
 
 CONFIG_BUILD_OUTPUT_HEX=y
 CONFIG_BUILD_NO_GAP_FILL=y
-
-CONFIG_FLASH=y
diff --git a/dts/arm/renesas/ra/ra8/ra8x1.dtsi b/dts/arm/renesas/ra/ra8/ra8x1.dtsi
index 589adc00dba27f..e4ac0300c59f9e 100644
--- a/dts/arm/renesas/ra/ra8/ra8x1.dtsi
+++ b/dts/arm/renesas/ra/ra8/ra8x1.dtsi
@@ -276,7 +276,7 @@
 			reg = <0x40100000 0x20000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
-			interrupts = <38 2>, <39 2>;
+			interrupts = <49 1>, <50 1>;
 			interrupt-names = "frdyi", "fiferr";
 		};