diff --git a/targets/targets.json b/targets/targets.json
index 79b4d5d3ba..11fa6f2592 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -2072,8 +2072,7 @@
         "detect_code": ["0236"],
         "device_name": "LPC55S69JBD100",
         "release_versions": ["5"],
-        "program_cycle_s": 10,
-        "sectors": [[0,512]]
+        "program_cycle_s": 10
     },
     "LPC55S69_NS": {
         "inherits": ["NSPE_Target", "LPC55S69"],