diff --git a/targets/atsame54-xpro.json b/targets/atsame54-xpro.json
index 1ab7c4ee..b50e79f3 100644
--- a/targets/atsame54-xpro.json
+++ b/targets/atsame54-xpro.json
@@ -3,6 +3,5 @@
     "build-tags": ["atsame54_xpro"],
     "serial": "usb",
     "flash-method": "openocd",
-    "openocd-interface": "cmsis-dap",
-    "default-stack-size": 4096
+    "openocd-interface": "cmsis-dap"
 }
diff --git a/targets/feather-m4-can.json b/targets/feather-m4-can.json
index c7a37c7c..8a74e81f 100644
--- a/targets/feather-m4-can.json
+++ b/targets/feather-m4-can.json
@@ -6,6 +6,5 @@
     "flash-1200-bps-reset": "true",
     "flash-method": "msd",
     "msd-volume-name": "FTHRCANBOOT",
-    "msd-firmware-name": "firmware.uf2",
-    "default-stack-size": 4096
+    "msd-firmware-name": "firmware.uf2"
 }
diff --git a/targets/qtpy-rp2040.json b/targets/qtpy-rp2040.json
index e1675ee8..9ed6e762 100644
--- a/targets/qtpy-rp2040.json
+++ b/targets/qtpy-rp2040.json
@@ -7,6 +7,5 @@
     "linkerscript": "targets/qtpy-rp2040.ld",
     "extra-files": [
         "targets/qtpy-rp2040-boot-stage2.S"
-    ],
-    "default-stack-size": 4096
+    ]
 }
diff --git a/targets/teensy40.json b/targets/teensy40.json
index c530003b..223db6f6 100644
--- a/targets/teensy40.json
+++ b/targets/teensy40.json
@@ -3,7 +3,6 @@
   "build-tags": ["teensy40", "teensy", "mimxrt1062", "nxp"],
   "serial": "uart",
   "automatic-stack-size": false,
-  "default-stack-size": 4096,
   "linkerscript": "targets/mimxrt1062-teensy40.ld",
   "extra-files": [
     "src/device/nxp/mimxrt1062.s",
diff --git a/targets/teensy41.json b/targets/teensy41.json
index 85c93ff9..8866bc48 100644
--- a/targets/teensy41.json
+++ b/targets/teensy41.json
@@ -3,7 +3,6 @@
   "build-tags": ["teensy41", "teensy", "mimxrt1062", "nxp"],
   "serial": "uart",
   "automatic-stack-size": false,
-  "default-stack-size": 4096,
   "linkerscript": "targets/mimxrt1062-teensy40.ld",
   "extra-files": [
     "src/device/nxp/mimxrt1062.s",