diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl
index 97ce004..1664501 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl
@@ -53,7 +53,6 @@
   EEA1 = 42,
   EEA2 = 43,
   EEA3 = 44,
-  EEA4_ZUC = 45,
   NEA0 = 55,
   NEA1 = 56,
   NEA2 = 57,
diff --git a/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl b/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
index 6d2c018..71c654c 100644
--- a/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
+++ b/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
@@ -52,7 +52,6 @@
     EEA1 = 42,
     EEA2 = 43,
     EEA3 = 44,
-    EEA4_ZUC = 45,
 
     // 5G PS services (3GPP TS 33.401 for 5G NSA and 3GPP TS 33.501 for 5G SA)
     NEA0 = 55,