diff --git a/arch/arm/src/a1x/a1x_serial.c b/arch/arm/src/a1x/a1x_serial.c
index 9a988692ded..0107b4e248f 100644
--- a/arch/arm/src/a1x/a1x_serial.c
+++ b/arch/arm/src/a1x/a1x_serial.c
@@ -64,7 +64,6 @@
 #include "chip.h"
 #include "chip/a1x_uart.h"
 #include "a1x_pio.h"
-#include <nuttx/fs/ioctl.h>
 #include "a1x_serial.h"
 
 /****************************************************************************
diff --git a/arch/arm/src/lpc11xx/lpc11_serial.c b/arch/arm/src/lpc11xx/lpc11_serial.c
index 28e56c9c3c1..95f3f17bc61 100644
--- a/arch/arm/src/lpc11xx/lpc11_serial.c
+++ b/arch/arm/src/lpc11xx/lpc11_serial.c
@@ -64,7 +64,6 @@
 #include "chip.h"
 #include "chip/lpc11_uart.h"
 #include "lpc11_gpio.h"
-#include <nuttx/fs/ioctl.h>
 #include "lpc11_serial.h"
 
 /****************************************************************************
diff --git a/arch/arm/src/lpc43xx/lpc43_serial.c b/arch/arm/src/lpc43xx/lpc43_serial.c
index d77ff465596..73307f9ffdf 100644
--- a/arch/arm/src/lpc43xx/lpc43_serial.c
+++ b/arch/arm/src/lpc43xx/lpc43_serial.c
@@ -64,7 +64,6 @@
 #include "up_internal.h"
 
 #include "lpc43_config.h"
-#include <nuttx/fs/ioctl.h>
 #include "lpc43_serial.h"
 
 /****************************************************************************
diff --git a/arch/arm/src/nuc1xx/nuc_serial.c b/arch/arm/src/nuc1xx/nuc_serial.c
index 4a39d42279a..9791a6ae9a9 100644
--- a/arch/arm/src/nuc1xx/nuc_serial.c
+++ b/arch/arm/src/nuc1xx/nuc_serial.c
@@ -65,7 +65,6 @@
 #include "chip.h"
 #include "chip/nuc_uart.h"
 #include "nuc_lowputc.h"
-#include <nuttx/fs/ioctl.h>
 #include "nuc_serial.h"
 
 /****************************************************************************
diff --git a/arch/arm/src/sama5/sam_flexcom_serial.c b/arch/arm/src/sama5/sam_flexcom_serial.c
index a66231ffb23..58c4121cac6 100644
--- a/arch/arm/src/sama5/sam_flexcom_serial.c
+++ b/arch/arm/src/sama5/sam_flexcom_serial.c
@@ -66,7 +66,6 @@
 #include "chip/sam_flexcom.h"
 #include "sam_config.h"
 #include "sam_dbgu.h"
-#include <nuttx/fs/ioctl.h>
 #include "sam_serial.h"
 
 /****************************************************************************
diff --git a/arch/arm/src/sama5/sam_serial.c b/arch/arm/src/sama5/sam_serial.c
index 74cef5782c1..1952cc839a4 100644
--- a/arch/arm/src/sama5/sam_serial.c
+++ b/arch/arm/src/sama5/sam_serial.c
@@ -66,7 +66,6 @@
 #include "chip/sam_uart.h"
 #include "sam_config.h"
 #include "sam_dbgu.h"
-#include <nuttx/fs/ioctl.h>
 #include "sam_serial.h"
 
 /****************************************************************************
diff --git a/arch/arm/src/samd2l2/sam_serial.c b/arch/arm/src/samd2l2/sam_serial.c
index da44df9aa0c..d42afa3244c 100644
--- a/arch/arm/src/samd2l2/sam_serial.c
+++ b/arch/arm/src/samd2l2/sam_serial.c
@@ -62,7 +62,6 @@
 #include "sam_config.h"
 #include "sam_usart.h"
 #include "sam_lowputc.h"
-#include <nuttx/fs/ioctl.h>
 #include "sam_serial.h"
 
 #ifdef SAMD2L2_HAVE_USART
diff --git a/arch/arm/src/samd5e5/sam_serial.c b/arch/arm/src/samd5e5/sam_serial.c
index d6abce26b40..150292a33be 100644
--- a/arch/arm/src/samd5e5/sam_serial.c
+++ b/arch/arm/src/samd5e5/sam_serial.c
@@ -61,7 +61,6 @@
 #include "sam_config.h"
 #include "sam_usart.h"
 #include "sam_lowputc.h"
-#include <nuttx/fs/ioctl.h>
 #include "sam_serial.h"
 
 #ifdef SAMD5E5_HAVE_USART