diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/can/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/can/defconfig
index c6e6981333..dbe25bce7e 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/can/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/can/defconfig
@@ -63,7 +63,6 @@ CONFIG_NET_CAN_NOTIFIER=y
 CONFIG_NET_SOCKOPTS=y
 CONFIG_NET_STATISTICS=y
 CONFIG_NET_TIMESTAMP=y
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/canfd/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/canfd/defconfig
index 6f431f0dfd..9d1e92f431 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/canfd/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/canfd/defconfig
@@ -64,7 +64,6 @@ CONFIG_NET_CAN_NOTIFIER=y
 CONFIG_NET_CAN_SOCK_OPTS=y
 CONFIG_NET_STATISTICS=y
 CONFIG_NET_TIMESTAMP=y
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/knsh/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/knsh/defconfig
index f914c66f28..1c0ed8c7c7 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/knsh/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/knsh/defconfig
@@ -27,7 +27,6 @@ CONFIG_IMXRT_LPUART1=y
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_DISABLE_MKRD=y
 CONFIG_NSH_FILEIOSIZE=512
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/libcxxtest/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/libcxxtest/defconfig
index c2f0fb87ca..c751349f3b 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/libcxxtest/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/libcxxtest/defconfig
@@ -27,7 +27,6 @@ CONFIG_LIBC_LOCALTIME=y
 CONFIG_LIBM=y
 CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=64
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/lvgl/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/lvgl/defconfig
index ab54b01e49..57b2e645e9 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/lvgl/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/lvgl/defconfig
@@ -46,7 +46,6 @@ CONFIG_LV_HOR_RES=480
 CONFIG_LV_VER_RES=272
 CONFIG_MAX_TASKS=16
 CONFIG_MOTOROLA_SREC=y
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_DISABLE_IFUPDOWN=y
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig
index d4726bff81..2561ed60bc 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig
@@ -53,7 +53,6 @@ CONFIG_NET_TCPBACKLOG=y
 CONFIG_NET_TCP_WRITE_BUFFERS=y
 CONFIG_NET_UDP=y
 CONFIG_NET_UDP_WRITE_BUFFERS=y
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/nsh/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/nsh/defconfig
index 1d7f1bb203..c5d6843902 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/nsh/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/nsh/defconfig
@@ -24,7 +24,6 @@ CONFIG_IMXRT_LPUART1=y
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_DISABLE_IFUPDOWN=y
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/nshocram/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/nshocram/defconfig
index b5a5ca421f..98c187db1e 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/nshocram/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/nshocram/defconfig
@@ -29,7 +29,6 @@ CONFIG_INTELHEX_BINARY=y
 CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
 CONFIG_MM_REGIONS=3
-CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_DISABLE_IFUPDOWN=y