diff --git a/target/linux/mpc85xx/config-4.14 b/target/linux/mpc85xx/config-4.14
index f2337210d4..479d6ee79f 100644
--- a/target/linux/mpc85xx/config-4.14
+++ b/target/linux/mpc85xx/config-4.14
@@ -186,8 +186,6 @@ CONFIG_ISA_DMA_API=y
 CONFIG_KERNEL_GZIP=y
 CONFIG_KERNEL_START=0xc0000000
 # CONFIG_KSI8560 is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOWMEM_CAM_NUM=3
 CONFIG_LOWMEM_SIZE=0x30000000
diff --git a/target/linux/mpc85xx/config-4.19 b/target/linux/mpc85xx/config-4.19
index df4d741c27..9c7b49cfdf 100644
--- a/target/linux/mpc85xx/config-4.19
+++ b/target/linux/mpc85xx/config-4.19
@@ -173,8 +173,6 @@ CONFIG_ISA_DMA_API=y
 CONFIG_KERNEL_GZIP=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