diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl
index bb44679..a30893a 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl
@@ -47,7 +47,7 @@
   int maxAppInfoLen;
   int maxQueuedTransmitFollowupMsgs;
   int maxSubscribeInterfaceAddresses;
-  android.hardware.wifi.NanCipherSuiteType supportedCipherSuites;
+  int supportedCipherSuites;
   boolean instantCommunicationModeSupportFlag;
   boolean supports6g;
   boolean supportsHe;
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
index e84cabf..96d940a 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
@@ -51,7 +51,7 @@
   android.hardware.wifi.NanDataPathSecurityConfig securityConfig;
   boolean rangingRequired;
   int rangingIntervalMs;
-  android.hardware.wifi.NanRangingIndication configRangingIndications;
+  int configRangingIndications;
   char distanceIngressCm;
   char distanceEgressCm;
   boolean enableSessionSuspendability;
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl
index 6757bec..317489f 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl
@@ -47,7 +47,7 @@
   boolean peerRequiresSecurityEnabledInNdp;
   boolean peerRequiresRanging;
   int rangingMeasurementInMm;
-  android.hardware.wifi.NanRangingIndication rangingIndicationType;
+  int rangingIndicationType;
   byte[] scid;
   android.hardware.wifi.NanPairingConfig peerPairingConfig;
   android.hardware.wifi.NanIdentityResolutionAttribute peerNira;
diff --git a/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl b/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
index c1d6201..f581c5e 100644
--- a/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
@@ -16,8 +16,6 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.NanCipherSuiteType;
-
 /**
  * NDP Capabilities response.
  */
@@ -78,9 +76,9 @@
      */
     int maxSubscribeInterfaceAddresses;
     /**
-     * The set of supported Cipher suites. The |NanCipherSuiteType| bit fields are used.
+     * Bitmap of |NanCipherSuiteType| values indicating the set of supported cipher suites.
      */
-    NanCipherSuiteType supportedCipherSuites;
+    int supportedCipherSuites;
     /**
      * Flag to indicate if instant communication mode is supported.
      */
diff --git a/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl b/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
index e98658b..58777c5 100644
--- a/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
@@ -18,7 +18,6 @@
 
 import android.hardware.wifi.NanDataPathSecurityConfig;
 import android.hardware.wifi.NanMatchAlg;
-import android.hardware.wifi.NanRangingIndication;
 
 /**
  * Configurations of NAN discovery sessions. Common to publish and subscribe discovery.
@@ -143,10 +142,11 @@
      */
     int rangingIntervalMs;
     /**
-     * The type of ranging feedback to be provided by discovery session matches
-     * |IWifiNanIfaceEventCallback.eventMatch|. Only relevant if |rangingRequired| is true.
+     * Bitmap of |NanRangingIndication| values indicating the type of ranging feedback
+     * to be provided by discovery session matches in |IWifiNanIfaceEventCallback.eventMatch|.
+     * Only relevant if |rangingRequired| is true.
      */
-    NanRangingIndication configRangingIndications;
+    int configRangingIndications;
     /**
      * The ingress and egress distance in cm. If ranging is enabled (|rangingEnabled| is true) then
      * |configRangingIndications| is used to determine whether ingress and/or egress (or neither)
diff --git a/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl b/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
index 314d599..5a04376 100644
--- a/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
@@ -19,7 +19,6 @@
 import android.hardware.wifi.NanCipherSuiteType;
 import android.hardware.wifi.NanIdentityResolutionAttribute;
 import android.hardware.wifi.NanPairingConfig;
-import android.hardware.wifi.NanRangingIndication;
 
 /**
  * Match indication structure.
@@ -81,8 +80,9 @@
      */
     byte rssiValue;
     /**
-     * Cipher type for data-paths constructed in the context of this discovery session. Valid if
-     * |peerRequiresSecurityEnabledInNdp| is true.
+     * One of |NanCipherSuiteType| indicating the cipher type for data-paths constructed
+     * in the context of this discovery session.
+     * Valid if |peerRequiresSecurityEnabledInNdp| is true.
      */
     NanCipherSuiteType peerCipherType;
     /**
@@ -117,10 +117,11 @@
      */
     int rangingMeasurementInMm;
     /**
-     * The ranging event(s) which triggered the ranging. e.g. can indicate that continuous ranging
-     * was requested, or else that an ingress event occurred.
+     * Bitmap of |NanRangingIndication| values indicating the ranging event(s) which triggered the
+     * ranging. e.g. can indicate that continuous ranging was requested, or else that an ingress
+     * event occurred.
      */
-    NanRangingIndication rangingIndicationType;
+    int rangingIndicationType;
     /**
      * Security Context Identifier attribute contains PMKID. Shall be included in NDP setup and
      * response messages. Security Context Identifier identifies the Security Context. For NAN
diff --git a/wifi/aidl/default/aidl_struct_util.cpp b/wifi/aidl/default/aidl_struct_util.cpp
index dfa08a1..4acdd2f 100644
--- a/wifi/aidl/default/aidl_struct_util.cpp
+++ b/wifi/aidl/default/aidl_struct_util.cpp
@@ -1787,7 +1787,7 @@
                                                         : legacy_hal::NAN_RANGING_DISABLE;
     legacy_request->ranging_cfg.ranging_interval_msec = aidl_request.baseConfigs.rangingIntervalMs;
     legacy_request->ranging_cfg.config_ranging_indications =
-            static_cast<uint32_t>(aidl_request.baseConfigs.configRangingIndications);
+            aidl_request.baseConfigs.configRangingIndications;
     legacy_request->ranging_cfg.distance_ingress_mm =
             aidl_request.baseConfigs.distanceIngressCm * 10;
     legacy_request->ranging_cfg.distance_egress_mm = aidl_request.baseConfigs.distanceEgressCm * 10;
@@ -1919,7 +1919,7 @@
                                                         : legacy_hal::NAN_RANGING_DISABLE;
     legacy_request->ranging_cfg.ranging_interval_msec = aidl_request.baseConfigs.rangingIntervalMs;
     legacy_request->ranging_cfg.config_ranging_indications =
-            static_cast<uint32_t>(aidl_request.baseConfigs.configRangingIndications);
+            aidl_request.baseConfigs.configRangingIndications;
     legacy_request->ranging_cfg.distance_ingress_mm =
             aidl_request.baseConfigs.distanceIngressCm * 10;
     legacy_request->ranging_cfg.distance_egress_mm = aidl_request.baseConfigs.distanceEgressCm * 10;
@@ -2202,8 +2202,7 @@
     aidl_response->maxQueuedTransmitFollowupMsgs =
             legacy_response.max_queued_transmit_followup_msgs;
     aidl_response->maxSubscribeInterfaceAddresses = legacy_response.max_subscribe_address;
-    aidl_response->supportedCipherSuites =
-            static_cast<NanCipherSuiteType>(legacy_response.cipher_suites_supported);
+    aidl_response->supportedCipherSuites = legacy_response.cipher_suites_supported;
     aidl_response->instantCommunicationModeSupportFlag = legacy_response.is_instant_mode_supported;
     aidl_response->supports6g = legacy_response.is_6g_supported;
     aidl_response->supportsHe = legacy_response.is_he_supported;
@@ -2244,8 +2243,7 @@
     aidl_ind->peerRequiresRanging =
             legacy_ind.peer_sdea_params.ranging_state == legacy_hal::NAN_RANGING_ENABLE;
     aidl_ind->rangingMeasurementInMm = legacy_ind.range_info.range_measurement_mm;
-    aidl_ind->rangingIndicationType =
-            static_cast<NanRangingIndication>(legacy_ind.range_info.ranging_event_type);
+    aidl_ind->rangingIndicationType = legacy_ind.range_info.ranging_event_type;
     aidl_ind->scid = std::vector<uint8_t>(legacy_ind.scid, legacy_ind.scid + legacy_ind.scid_len);
 
     if (!convertLegacyNiraToAidl(legacy_ind.nira, &aidl_ind->peerNira)) {