diff --git a/boards/xtensa/esp32/esp32-core/configs/mmcsdspi/defconfig b/boards/xtensa/esp32/esp32-core/configs/mmcsdspi/defconfig
index a77e645143f..368a3077176 100644
--- a/boards/xtensa/esp32/esp32-core/configs/mmcsdspi/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/mmcsdspi/defconfig
@@ -35,7 +35,6 @@ CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
 CONFIG_MMCSD=y
 CONFIG_MMCSD_SPICLOCK=4000000
-CONFIG_MM_REGIONS=1
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
diff --git a/boards/xtensa/esp32/esp32-core/configs/netnsh/defconfig b/boards/xtensa/esp32/esp32-core/configs/netnsh/defconfig
index d1f77257c24..00410ad8357 100644
--- a/boards/xtensa/esp32/esp32-core/configs/netnsh/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/netnsh/defconfig
@@ -27,7 +27,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
-CONFIG_MM_REGIONS=1
 CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETDB_DNSSERVER_IPv4ADDR=0x08080808
 CONFIG_NETDB_HOSTFILE=y
diff --git a/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig
index 0bdfd416c82..de68aa1184f 100644
--- a/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig
@@ -25,7 +25,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
-CONFIG_MM_REGIONS=1
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
diff --git a/boards/xtensa/esp32/esp32-core/configs/ostest/defconfig b/boards/xtensa/esp32/esp32-core/configs/ostest/defconfig
index 0d5243c17e2..6538e2e98f7 100644
--- a/boards/xtensa/esp32/esp32-core/configs/ostest/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/ostest/defconfig
@@ -24,7 +24,6 @@ CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_BOARDCTL=y
 CONFIG_MAX_TASKS=16
-CONFIG_MM_REGIONS=1
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
diff --git a/boards/xtensa/esp32/esp32-core/configs/pm/defconfig b/boards/xtensa/esp32/esp32-core/configs/pm/defconfig
index 8fde18d8ba4..bb5baed1393 100644
--- a/boards/xtensa/esp32/esp32-core/configs/pm/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/pm/defconfig
@@ -25,7 +25,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
-CONFIG_MM_REGIONS=1
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
diff --git a/boards/xtensa/esp32/esp32-core/configs/random/defconfig b/boards/xtensa/esp32/esp32-core/configs/random/defconfig
index 3ab32f56ceb..569d5f90313 100644
--- a/boards/xtensa/esp32/esp32-core/configs/random/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/random/defconfig
@@ -27,7 +27,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
-CONFIG_MM_REGIONS=1
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
diff --git a/boards/xtensa/esp32/esp32-core/configs/smp/defconfig b/boards/xtensa/esp32/esp32-core/configs/smp/defconfig
index a4e8011bff2..5f56206d807 100644
--- a/boards/xtensa/esp32/esp32-core/configs/smp/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/smp/defconfig
@@ -30,7 +30,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
-CONFIG_MM_REGIONS=1
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
diff --git a/boards/xtensa/esp32/esp32-core/configs/spiflash/defconfig b/boards/xtensa/esp32/esp32-core/configs/spiflash/defconfig
index 21ee4984c1e..c603aeb049b 100644
--- a/boards/xtensa/esp32/esp32-core/configs/spiflash/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/spiflash/defconfig
@@ -26,7 +26,6 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
-CONFIG_MM_REGIONS=1
 CONFIG_MTD_SMART=y
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y