diff --git a/target/linux/mpc85xx/config-5.10 b/target/linux/mpc85xx/config-5.10
index 1885a961fed..c2044fabd05 100644
--- a/target/linux/mpc85xx/config-5.10
+++ b/target/linux/mpc85xx/config-5.10
@@ -112,8 +112,6 @@ CONFIG_IRQ_WORK=y
 CONFIG_ISA_DMA_API=y
 CONFIG_KERNEL_START=0xc0000000
 # CONFIG_KSI8560 is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_LOWMEM_CAM_NUM=3
diff --git a/target/linux/mpc85xx/config-5.15 b/target/linux/mpc85xx/config-5.15
index 42d17c13610..9c051e63c12 100644
--- a/target/linux/mpc85xx/config-5.15
+++ b/target/linux/mpc85xx/config-5.15
@@ -112,8 +112,6 @@ CONFIG_IRQ_WORK=y
 CONFIG_ISA_DMA_API=y
 CONFIG_KERNEL_START=0xc0000000
 # CONFIG_KSI8560 is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_LOWMEM_CAM_NUM=3
diff --git a/target/linux/realtek/rtl838x/config-5.10 b/target/linux/realtek/rtl838x/config-5.10
index 9749eec27be..e763557a9f4 100644
--- a/target/linux/realtek/rtl838x/config-5.10
+++ b/target/linux/realtek/rtl838x/config-5.10
@@ -116,8 +116,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_MARVELL_PHY=y
diff --git a/target/linux/realtek/rtl838x/config-5.15 b/target/linux/realtek/rtl838x/config-5.15
index 4e4ed9f44b7..ad2c1b43cce 100644
--- a/target/linux/realtek/rtl838x/config-5.15
+++ b/target/linux/realtek/rtl838x/config-5.15
@@ -114,8 +114,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_MARVELL_PHY=y
diff --git a/target/linux/realtek/rtl839x/config-5.10 b/target/linux/realtek/rtl839x/config-5.10
index 9377d482d7e..d464c722251 100644
--- a/target/linux/realtek/rtl839x/config-5.10
+++ b/target/linux/realtek/rtl839x/config-5.10
@@ -109,8 +109,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LLD_VERSION=0
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
diff --git a/target/linux/realtek/rtl839x/config-5.15 b/target/linux/realtek/rtl839x/config-5.15
index 17edb2b3bb1..5fa52ba882e 100644
--- a/target/linux/realtek/rtl839x/config-5.15
+++ b/target/linux/realtek/rtl839x/config-5.15
@@ -111,8 +111,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_MARVELL_PHY=y
diff --git a/target/linux/realtek/rtl930x/config-5.10 b/target/linux/realtek/rtl930x/config-5.10
index bd275a28ba7..f61a200c914 100644
--- a/target/linux/realtek/rtl930x/config-5.10
+++ b/target/linux/realtek/rtl930x/config-5.10
@@ -100,8 +100,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LLD_VERSION=0
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
diff --git a/target/linux/realtek/rtl930x/config-5.15 b/target/linux/realtek/rtl930x/config-5.15
index 35365370efa..af5f2ca7a31 100644
--- a/target/linux/realtek/rtl930x/config-5.15
+++ b/target/linux/realtek/rtl930x/config-5.15
@@ -95,8 +95,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_MARVELL_PHY=y
diff --git a/target/linux/realtek/rtl931x/config-5.10 b/target/linux/realtek/rtl931x/config-5.10
index 1a6546c0313..36e74868047 100644
--- a/target/linux/realtek/rtl931x/config-5.10
+++ b/target/linux/realtek/rtl931x/config-5.10
@@ -101,8 +101,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LLD_VERSION=0
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
diff --git a/target/linux/realtek/rtl931x/config-5.15 b/target/linux/realtek/rtl931x/config-5.15
index 3abc49a4e95..2da27941c74 100644
--- a/target/linux/realtek/rtl931x/config-5.15
+++ b/target/linux/realtek/rtl931x/config-5.15
@@ -103,8 +103,6 @@ CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_ZLIB=y
 CONFIG_KMAP_LOCAL=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_MARVELL_PHY=y
diff --git a/target/linux/rockchip/armv8/config-5.10 b/target/linux/rockchip/armv8/config-5.10
index 794283fcd96..5f4ded36e0c 100644
--- a/target/linux/rockchip/armv8/config-5.10
+++ b/target/linux/rockchip/armv8/config-5.10
@@ -313,8 +313,6 @@ CONFIG_LEDS_PWM=y
 CONFIG_LEDS_SYSCON=y
 CONFIG_LEDS_TRIGGER_CPU=y
 CONFIG_LEDS_TRIGGER_PANIC=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_LIBCRC32C=y
 CONFIG_LIBFDT=y
 CONFIG_LOCALVERSION_AUTO=y
diff --git a/target/linux/rockchip/armv8/config-5.15 b/target/linux/rockchip/armv8/config-5.15
index dc1fbb3d545..bb604897146 100644
--- a/target/linux/rockchip/armv8/config-5.15
+++ b/target/linux/rockchip/armv8/config-5.15
@@ -312,8 +312,6 @@ CONFIG_LEDS_PWM=y
 CONFIG_LEDS_SYSCON=y
 CONFIG_LEDS_TRIGGER_CPU=y
 CONFIG_LEDS_TRIGGER_PANIC=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_LIBCRC32C=y
 CONFIG_LIBFDT=y
 CONFIG_LOCALVERSION_AUTO=y