diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
index 4276cb8..b400bbe 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
@@ -71,5 +71,4 @@
    */
   LTE_CA = (1 << android.hardware.radio.RadioTechnology.LTE_CA) /* 524288 */,
   NR = (1 << android.hardware.radio.RadioTechnology.NR) /* 1048576 */,
-  NB_IOT_NTN = (1 << android.hardware.radio.RadioTechnology.NB_IOT_NTN) /* 2097152 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
index ede020d..7d2d08c 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
@@ -71,5 +71,4 @@
    */
   LTE_CA,
   NR,
-  NB_IOT_NTN,
 }
diff --git a/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl b/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
index c728d85..6d38d59 100644
--- a/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
+++ b/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
@@ -52,8 +52,4 @@
      * 5G NR. This is only use in 5G Standalone mode.
      */
     NR = 1 << RadioTechnology.NR,
-    /**
-     * 3GPP NB-IOT (Narrowband Internet of Things) over Non-Terrestrial-Networks technology.
-     */
-    NB_IOT_NTN = 1 << RadioTechnology.NB_IOT_NTN,
 }
diff --git a/radio/aidl/android/hardware/radio/RadioTechnology.aidl b/radio/aidl/android/hardware/radio/RadioTechnology.aidl
index d6e5cd8..cd82ef5 100644
--- a/radio/aidl/android/hardware/radio/RadioTechnology.aidl
+++ b/radio/aidl/android/hardware/radio/RadioTechnology.aidl
@@ -59,8 +59,4 @@
      * 5G NR. This is only used in 5G Standalone mode.
      */
     NR,
-    /**
-     * 3GPP NB-IOT (Narrowband Internet of Things) over Non-Terrestrial-Networks technology.
-     */
-    NB_IOT_NTN,
 }