diff --git a/frameworks/inc/ipc_sdk.h b/frameworks/inc/ipc_sdk.h
index ebb9346..b12f351 100755
--- a/frameworks/inc/ipc_sdk.h
+++ b/frameworks/inc/ipc_sdk.h
@@ -60,7 +60,6 @@ extern "C" {
 #define PARAM_TYPE_DEVICE_INFO 29
 #define PARAM_TYPE_AUTH_PARAMS 30
 #define PARAM_TYPE_CB_OBJECT 31
-#define PARAM_TYPE_RETURN_DATA 32
 
 enum {
     IPC_CALL_ID_REG_CB = 1,
@@ -86,7 +85,6 @@ enum {
     IPC_CALL_ID_GET_GROUP_FRIEND,
     IPC_CALL_ID_GET_GROUP_INFO,
     IPC_CALL_ID_SEARCH_GROUPS,
-    IPC_CALL_ID_GET_PK_INFO_LIST,
     IPC_CALL_ID_GET_JOINED_GROUPS,
     IPC_CALL_ID_GET_RELATED_GROUPS,
     IPC_CALL_ID_GET_DEV_INFO_BY_ID,
diff --git a/frameworks/src/ipc_sdk.c b/frameworks/src/ipc_sdk.c
index e8216a1..6318f32 100644
--- a/frameworks/src/ipc_sdk.c
+++ b/frameworks/src/ipc_sdk.c
@@ -97,7 +97,6 @@ static void GetIpcReplyByType(const IpcDataInfo *ipcData,
             case PARAM_TYPE_FRIEND_APPID:
             case PARAM_TYPE_DEVICE_INFO:
             case PARAM_TYPE_GROUP_INFO:
-            case PARAM_TYPE_RETURN_DATA:
                 *(uint8_t **)outCache = ipcData[i].val;
                 if (cacheLen != NULL) {
                     *cacheLen = ipcData[i].valSz;
@@ -1288,86 +1287,6 @@ static int32_t IpcGmGetGroupInfoById(const char *appId, const char *groupId, cha
     return ret;
 }
 
-static int32_t ParseReturnResult(const IpcDataInfo *replies,
-    int32_t cacheNum, char **returnData, uint32_t *returnNum)
-{
-    int32_t ret;
-    int32_t inOutLen;
-
-    inOutLen = sizeof(int32_t);
-    GetIpcReplyByType(replies, cacheNum, PARAM_TYPE_IPC_RESULT_NUM, (uint8_t *)&ret, &inOutLen);
-    if ((ret < IPC_RESULT_NUM_2) || (inOutLen != sizeof(int32_t))) {
-        return HC_ERR_IPC_OUT_DATA_NUM;
-    }
-    GetIpcReplyByType(replies, cacheNum, PARAM_TYPE_RETURN_DATA, (uint8_t *)returnData, NULL);
-    if (*returnData == NULL) {
-        return HC_ERR_IPC_OUT_DATA;
-    }
-    *returnData = strdup(*returnData);
-    if (*returnData == NULL) {
-        return HC_ERR_ALLOC_MEMORY;
-    }
-    inOutLen = sizeof(int32_t);
-    GetIpcReplyByType(replies, cacheNum, PARAM_TYPE_DATA_NUM, (uint8_t *)returnNum, &inOutLen);
-    return HC_SUCCESS;
-}
-
-static int32_t IpcGmGetPkInfoList(const char *appId, const char *queryParams, char **returnInfoList,
-    uint32_t *returnInfoNum)
-{
-    uintptr_t callCtx = 0x0;
-    int32_t ret;
-    int32_t inOutLen;
-    IpcDataInfo replyCache[IPC_DATA_CACHES_4] = {{0}};
-
-    LOGI("starting ...");
-    if (!IS_STRING_VALID(queryParams) || !IS_STRING_VALID(appId) ||
-        (returnInfoList == NULL) || (returnInfoNum == NULL)) {
-        return HC_ERR_INVALID_PARAMS;
-    }
-    if (!IsServiceRunning()) {
-        LOGE("service is not activity");
-        return HC_ERROR;
-    }
-    ret = CreateCallCtx(&callCtx, NULL);
-    if (ret != HC_SUCCESS) {
-        LOGE("CreateCallCtx failed, ret %d", ret);
-        return HC_ERR_IPC_INIT;
-    }
-    ret = SetCallRequestParamInfo(callCtx, PARAM_TYPE_APPID, (const uint8_t *)appId, strlen(appId) + 1);
-    if (ret != HC_SUCCESS) {
-        LOGE("set request param failed, ret %d, param id %d", ret, PARAM_TYPE_APPID);
-        DestroyCallCtx(&callCtx, NULL);
-        return HC_ERR_IPC_BUILD_PARAM;
-    }
-    ret = SetCallRequestParamInfo(callCtx, PARAM_TYPE_QUERY_PARAMS,
-                                  (const uint8_t *)queryParams, strlen(queryParams) + 1);
-    if (ret != HC_SUCCESS) {
-        LOGE("set request param failed, ret %d, param id %d", ret, PARAM_TYPE_QUERY_PARAMS);
-        DestroyCallCtx(&callCtx, NULL);
-        return HC_ERR_IPC_BUILD_PARAM;
-    }
-    ret = DoBinderCall(callCtx, IPC_CALL_ID_GET_PK_INFO_LIST, true);
-    if (ret == HC_ERR_IPC_INTERNAL_FAILED) {
-        LOGE("ipc call failed");
-        DestroyCallCtx(&callCtx, NULL);
-        return HC_ERR_IPC_PROC_FAILED;
-    }
-    DecodeCallReply(callCtx, replyCache, REPLAY_CACHE_NUM(replyCache));
-    ret = HC_ERR_IPC_UNKNOW_REPLY;
-    inOutLen = sizeof(int32_t);
-    GetIpcReplyByType(replyCache, REPLAY_CACHE_NUM(replyCache), PARAM_TYPE_IPC_RESULT, (uint8_t *)&ret, &inOutLen);
-    LOGI("process done, ret %d", ret);
-    if (ret != HC_SUCCESS) {
-        DestroyCallCtx(&callCtx, NULL);
-        return ret;
-    }
-    ret = ParseReturnResult(replyCache, REPLAY_CACHE_NUM(replyCache), returnInfoList, returnInfoNum);
-    LOGI("proc result done, ret %d", ret);
-    DestroyCallCtx(&callCtx, NULL);
-    return ret;
-}
-
 static int32_t SearchGroupsIpcResult(const IpcDataInfo *replies,
     int32_t cacheNum, char **outGroupVec, uint32_t *groupNum)
 {
@@ -1884,7 +1803,6 @@ static void InitIpcGmMethods(DeviceGroupManager *gmMethodObj)
     gmMethodObj->getDeviceInfoById = IpcGmGetDeviceInfoById;
     gmMethodObj->getTrustedDevices = IpcGmGetTrustedDevices;
     gmMethodObj->checkAccessToGroup = IpcGmCheckAccessToGroup;
-    gmMethodObj->getPkInfoList = IpcGmGetPkInfoList;
     gmMethodObj->isDeviceInGroup = IpcGmIsDeviceInGroup;
     gmMethodObj->destroyInfo = IpcGmDestroyInfo;
     gmMethodObj->authKeyAgree = IpcGmAuthKeyAgree;
diff --git a/frameworks/src/ipc_service.c b/frameworks/src/ipc_service.c
index a27ecf2..46bd82d 100644
--- a/frameworks/src/ipc_service.c
+++ b/frameworks/src/ipc_service.c
@@ -562,43 +562,6 @@ static int32_t IpcServiceGmApplyRegisterInfo(const IpcDataInfo *ipcParams, int32
     return (ret == HC_SUCCESS) ? ret : HC_ERROR;
 }
 
-static int32_t IpcServiceGmGetPkInfoList(const IpcDataInfo *ipcParams, int32_t paramNum, uintptr_t outCache)
-{
-    int32_t callRet;
-    int32_t ret;
-    const char *appId = NULL;
-    const char *queryParams = NULL;
-    char *returnInfoList = NULL;
-    uint32_t returnInfoNum = 0;
-
-    LOGI("starting ...");
-    ret = GetIpcRequestParamByType(ipcParams, paramNum, PARAM_TYPE_APPID, (uint8_t *)&appId, NULL);
-    if ((appId == NULL) || (ret != HC_SUCCESS)) {
-        LOGE("get param error, type %d", PARAM_TYPE_APPID);
-        return HC_ERR_IPC_BAD_PARAM;
-    }
-    ret = GetIpcRequestParamByType(ipcParams, paramNum, PARAM_TYPE_QUERY_PARAMS, (uint8_t *)&queryParams, NULL);
-    if ((queryParams == NULL) || (ret != HC_SUCCESS)) {
-        LOGE("get param error, type %d", PARAM_TYPE_QUERY_PARAMS);
-        return HC_ERR_IPC_BAD_PARAM;
-    }
-
-    callRet = g_devGroupMgrMethod.getPkInfoList(appId, queryParams, &returnInfoList, &returnInfoNum);
-    ret = IpcEncodeCallReplay(outCache, PARAM_TYPE_IPC_RESULT, (const uint8_t *)&callRet, sizeof(int32_t));
-    ret += IpcEncodeCallReplay(outCache, PARAM_TYPE_IPC_RESULT_NUM,
-                               (const uint8_t *)&g_ipcResultNum2, sizeof(int32_t));
-    if (returnInfoList != NULL) {
-        ret += IpcEncodeCallReplay(outCache, PARAM_TYPE_RETURN_DATA, (const uint8_t *)returnInfoList,
-            strlen(returnInfoList) + 1);
-    } else {
-        ret += IpcEncodeCallReplay(outCache, PARAM_TYPE_RETURN_DATA, NULL, 0);
-    }
-    ret += IpcEncodeCallReplay(outCache, PARAM_TYPE_DATA_NUM, (const uint8_t *)&returnInfoNum, sizeof(int32_t));
-    LOGI("process done, call ret %d, ipc ret %d", callRet, ret);
-    g_devGroupMgrMethod.destroyInfo(&returnInfoList);
-    return (ret == HC_SUCCESS) ? ret : HC_ERROR;
-}
-
 static int32_t IpcServiceGmAddGroupManager(const IpcDataInfo *ipcParams, int32_t paramNum, uintptr_t outCache)
 {
     int32_t callRet;
@@ -1276,7 +1239,6 @@ static int32_t AddMethodMap(uintptr_t ipcInstance)
     ret &= SetIpcCallMap(ipcInstance, IpcServiceGmGetDeviceInfoById, IPC_CALL_ID_GET_DEV_INFO_BY_ID);
     ret &= SetIpcCallMap(ipcInstance, IpcServiceGmGetTrustedDevices, IPC_CALL_ID_GET_TRUST_DEVICES);
     ret &= SetIpcCallMap(ipcInstance, IpcServiceGmIsDeviceInGroup, IPC_CALL_ID_IS_DEV_IN_GROUP);
-    ret &= SetIpcCallMap(ipcInstance, IpcServiceGmGetPkInfoList, IPC_CALL_ID_GET_PK_INFO_LIST);
     ret &= SetIpcCallMap(ipcInstance, IpcServiceGaProcessData, IPC_CALL_ID_GA_PROC_DATA);
     ret &= SetIpcCallMap(ipcInstance, IpcServiceGaQueryTrustedDeviceNum, IPC_CALL_ID_QUERY_TRUST_DEV_NUM);
     ret &= SetIpcCallMap(ipcInstance, IpcServiceGaIsTrustedDevice, IPC_CALL_ID_IS_TRUST_DEVICE);
diff --git a/interfaces/innerkits/device_auth.h b/interfaces/innerkits/device_auth.h
index 5d56cbf..5fc0893 100644
--- a/interfaces/innerkits/device_auth.h
+++ b/interfaces/innerkits/device_auth.h
@@ -169,8 +169,6 @@ typedef struct {
     int32_t (*getRegisterInfo)(char **returnRegisterInfo);
     int32_t (*getLocalConnectInfo)(char *returnInfo, int32_t bufLen);
     int32_t (*checkAccessToGroup)(const char *appId, const char *groupId);
-    int32_t (*getPkInfoList)(const char *appId, const char *queryParams, char **returnInfoList,
-        uint32_t *returnInfoNum);
     int32_t (*addGroupManager)(const char *appId, const char *groupId, const char *managerAppId);
     int32_t (*addGroupFriend)(const char *appId, const char *groupId, const char *friendAppId);
     int32_t (*deleteGroupManager)(const char *appId, const char *groupId, const char *managerAppId);
diff --git a/services/authenticators/inc/account_unrelated/das_module.h b/services/authenticators/inc/account_unrelated/das_module.h
index 819cb72..d57242c 100644
--- a/services/authenticators/inc/account_unrelated/das_module.h
+++ b/services/authenticators/inc/account_unrelated/das_module.h
@@ -25,7 +25,6 @@ typedef struct DasAuthModuleT {
     int (*registerLocalIdentity)(const char *, const char *, Uint8Buff *, int);
     int (*unregisterLocalIdentity)(const char *, const char *, Uint8Buff *, int);
     int (*deletePeerAuthInfo)(const char *, const char *, Uint8Buff *, int);
-    int (*getPublicKey)(const char *, const char *, Uint8Buff *, int, Uint8Buff *);
 } DasAuthModule;
 
 bool IsDasSupported(void);
diff --git a/services/authenticators/inc/account_unrelated/das_task_main.h b/services/authenticators/inc/account_unrelated/das_task_main.h
index 9d3f04e..ca75493 100644
--- a/services/authenticators/inc/account_unrelated/das_task_main.h
+++ b/services/authenticators/inc/account_unrelated/das_task_main.h
@@ -39,7 +39,5 @@ void DestroyDasProtocolEntities(void);
 int32_t RegisterLocalIdentityInTask(const char *pkgName, const char *serviceType, Uint8Buff *authId, int userType);
 int32_t UnregisterLocalIdentityInTask(const char *pkgName, const char *serviceType, Uint8Buff *authId, int userType);
 int32_t DeletePeerAuthInfoInTask(const char *pkgName, const char *serviceType, Uint8Buff *authIdPeer, int userTypePeer);
-int32_t GetPublicKeyInTask(const char *pkgName, const char *serviceType, Uint8Buff *authIdPeer, int userTypePeer,
-    Uint8Buff *returnPk);
 
 #endif
diff --git a/services/authenticators/inc/account_unrelated/das_token_manager.h b/services/authenticators/inc/account_unrelated/das_token_manager.h
index 4e5bf4f..48e6419 100644
--- a/services/authenticators/inc/account_unrelated/das_token_manager.h
+++ b/services/authenticators/inc/account_unrelated/das_token_manager.h
@@ -24,7 +24,6 @@ typedef struct TokenManagerT {
     int (*unregisterLocalIdentity)(const char *, const char *, Uint8Buff *, int);
     int (*deletePeerAuthInfo)(const char *, const char *, Uint8Buff *, int);
     int (*computeAndSavePsk)(const PakeParams *);
-    int (*getPublicKey)(const char *, const char *, Uint8Buff *, int, Uint8Buff *);
 } TokenManager;
 
 #endif
diff --git a/services/authenticators/src/account_unrelated/das_module.c b/services/authenticators/src/account_unrelated/das_module.c
index 1f60c54..f155f9c 100644
--- a/services/authenticators/src/account_unrelated/das_module.c
+++ b/services/authenticators/src/account_unrelated/das_module.c
@@ -44,12 +44,6 @@ static int32_t DeleteDasPeerAuthInfo(const char *pkgName, const char *serviceTyp
     return DeletePeerAuthInfoInTask(pkgName, serviceType, authId, userType);
 }
 
-static int32_t GetDasPublicKey(const char *pkgName, const char *serviceType, Uint8Buff *authId, int userType,
-    Uint8Buff *returnPk)
-{
-    return GetPublicKeyInTask(pkgName, serviceType, authId, userType, returnPk);
-}
-
 bool IsDasMsgNeedIgnore(const CJson *in)
 {
     uint32_t message = 0;
@@ -153,7 +147,6 @@ AuthModuleBase *CreateDasModule(void)
     g_dasModule.registerLocalIdentity = RegisterDasLocalIdentity;
     g_dasModule.unregisterLocalIdentity = UnregisterDasLocalIdentity;
     g_dasModule.deletePeerAuthInfo = DeleteDasPeerAuthInfo;
-    g_dasModule.getPublicKey = GetDasPublicKey;
     g_taskInModuleVec = CREATE_HC_VECTOR(TaskInModuleVec)
     if (InitDasProtocolEntities() != HC_SUCCESS) {
         LOGE("Init das protocol entities failed.");
diff --git a/services/authenticators/src/account_unrelated/das_task_main.c b/services/authenticators/src/account_unrelated/das_task_main.c
index 070a553..88e50bf 100644
--- a/services/authenticators/src/account_unrelated/das_task_main.c
+++ b/services/authenticators/src/account_unrelated/das_task_main.c
@@ -469,25 +469,6 @@ int32_t DeletePeerAuthInfoInTask(const char *pkgName, const char *serviceType, U
     return res;
 }
 
-int32_t GetPublicKeyInTask(const char *pkgName, const char *serviceType, Uint8Buff *authIdPeer, int userTypePeer,
-    Uint8Buff *returnPk)
-{
-    uint32_t index;
-    void **ptr = NULL;
-    FOR_EACH_HC_VECTOR(g_protocolEntityVec, index, ptr) {
-        if (ptr != NULL && (*ptr) != NULL) {
-            DasProtocolEntity *temp = (DasProtocolEntity *)(*ptr);
-            if ((temp->tokenManagerInstance == NULL) || (temp->tokenManagerInstance->getPublicKey == NULL)) {
-                LOGD("Protocol type: %d, unsupported method!", temp->type);
-                continue;
-            }
-            return temp->tokenManagerInstance->getPublicKey(pkgName, serviceType, authIdPeer, userTypePeer, returnPk);
-        }
-    }
-    LOGE("Failed to find valid protocol!");
-    return HC_ERR_NOT_SUPPORT;
-}
-
 static uint32_t GetPakeAlgInProtocol(int offset)
 {
     uint32_t algInProtocol = PSK_SPEKE;
diff --git a/services/authenticators/src/account_unrelated/iso_task/lite_exchange_task/das_lite_token_manager.c b/services/authenticators/src/account_unrelated/iso_task/lite_exchange_task/das_lite_token_manager.c
index 931c520..adfe560 100644
--- a/services/authenticators/src/account_unrelated/iso_task/lite_exchange_task/das_lite_token_manager.c
+++ b/services/authenticators/src/account_unrelated/iso_task/lite_exchange_task/das_lite_token_manager.c
@@ -74,7 +74,6 @@ TokenManager g_symTokenManagerInstance = {
     .unregisterLocalIdentity = UnregisterLocalIdentity,
     .deletePeerAuthInfo = DeletePeerAuthInfo,
     .computeAndSavePsk = NULL,
-    .getPublicKey = NULL
 };
 
 const TokenManager *GetLiteTokenManagerInstance(void)
diff --git a/services/authenticators/src/account_unrelated/pake_task/standard_exchange_task/das_standard_token_manager.c b/services/authenticators/src/account_unrelated/pake_task/standard_exchange_task/das_standard_token_manager.c
index 39218d7..1324166 100644
--- a/services/authenticators/src/account_unrelated/pake_task/standard_exchange_task/das_standard_token_manager.c
+++ b/services/authenticators/src/account_unrelated/pake_task/standard_exchange_task/das_standard_token_manager.c
@@ -166,42 +166,11 @@ static int32_t ComputeAndSavePsk(const PakeParams *params)
     return res;
 }
 
-static int32_t GetPublicKey(const char *pkgName, const char *serviceType, Uint8Buff *authId, int userType,
-    Uint8Buff *returnPk)
-{
-    const AlgLoader *loader = GetLoaderInstance();
-    Uint8Buff pkgNameBuff = { (uint8_t *)pkgName, strlen(pkgName) };
-    Uint8Buff serviceTypeBuff = { (uint8_t *)serviceType, strlen(serviceType) };
-    KeyAliasType keyType = userType;
-    uint8_t keyAliasVal[PAKE_KEY_ALIAS_LEN] = { 0 };
-    Uint8Buff keyAliasBuff = { keyAliasVal, PAKE_KEY_ALIAS_LEN };
-    int32_t res = GenerateKeyAlias(&pkgNameBuff, &serviceTypeBuff, keyType, authId, &keyAliasBuff);
-    if (res != HC_SUCCESS) {
-        LOGE("Failed to generate keyPair alias!");
-        return res;
-    }
-
-    res = loader->checkKeyExist(&keyAliasBuff);
-    if (res != HC_SUCCESS) {
-        LOGE("Key pair is not exist!");
-        return res;
-    }
-
-    res = loader->exportPublicKey(&keyAliasBuff, returnPk);
-    if (res != HC_SUCCESS) {
-        LOGE("Failed to export public key!");
-        return res;
-    }
-    LOGI("Get public key successfully!");
-    return HC_SUCCESS;
-}
-
 TokenManager g_asyTokenManagerInstance = {
     .registerLocalIdentity = RegisterLocalIdentity,
     .unregisterLocalIdentity = UnregisterLocalIdentity,
     .deletePeerAuthInfo = DeletePeerAuthInfo,
     .computeAndSavePsk = ComputeAndSavePsk,
-    .getPublicKey = GetPublicKey
 };
 
 const TokenManager *GetStandardTokenManagerInstance()
diff --git a/services/device_auth.c b/services/device_auth.c
index eb44c14..847b43e 100644
--- a/services/device_auth.c
+++ b/services/device_auth.c
@@ -281,7 +281,6 @@ DEVICE_AUTH_API_PUBLIC const DeviceGroupManager *GetGmInstance(void)
     g_groupManagerInstance->getRegisterInfo = GetRegisterInfo;
     g_groupManagerInstance->getLocalConnectInfo = NULL;
     g_groupManagerInstance->checkAccessToGroup = CheckAccessToGroupImpl;
-    g_groupManagerInstance->getPkInfoList = GetPkInfoListImpl;
     g_groupManagerInstance->addGroupManager = AddGroupManagerImpl;
     g_groupManagerInstance->deleteGroupManager = DeleteGroupManagerImpl;
     g_groupManagerInstance->getGroupManagers = GetGroupManagersImpl;
diff --git a/services/frameworks/inc/module/dev_auth_module_manager.h b/services/frameworks/inc/module/dev_auth_module_manager.h
index d0a7163..5041a9d 100644
--- a/services/frameworks/inc/module/dev_auth_module_manager.h
+++ b/services/frameworks/inc/module/dev_auth_module_manager.h
@@ -46,8 +46,6 @@ int32_t UnregisterLocalIdentity(const char *pkgName, const char *serviceType, Ui
     int moduleType);
 int32_t DeletePeerAuthInfo(const char *pkgName, const char *serviceType, Uint8Buff *authId, int userType,
     int moduleType);
-int32_t GetPublicKey(const char *pkgName, const char *serviceType, Uint8Buff *authId, int userType,
-    int moduleType, Uint8Buff *returnPk);
 
 // for ACCOUNT
 int32_t ProcessCredentials(int credentialOpCode, const CJson *in, CJson *out, int moduleType);
diff --git a/services/frameworks/src/module/dev_auth_module_manager.c b/services/frameworks/src/module/dev_auth_module_manager.c
index 042b43c..7fc7adb 100644
--- a/services/frameworks/src/module/dev_auth_module_manager.c
+++ b/services/frameworks/src/module/dev_auth_module_manager.c
@@ -146,27 +146,6 @@ int32_t DeletePeerAuthInfo(const char *pkgName, const char *serviceType, Uint8Bu
     return HC_SUCCESS;
 }
 
-int32_t GetPublicKey(const char *pkgName, const char *serviceType, Uint8Buff *authId, int userType,
-    int moduleType, Uint8Buff *returnPk)
-{
-    if (!IsParamsForDasTokenManagerValid(pkgName, serviceType, authId, userType, moduleType) || returnPk == NULL) {
-        LOGE("Params for GetPublicKey is invalid.");
-        return HC_ERR_INVALID_PARAMS;
-    }
-    AuthModuleBase *module = GetModule(moduleType);
-    if (module == NULL) {
-        LOGE("Failed to get module for das.");
-        return HC_ERR_MODULE_NOT_FOUNT;
-    }
-    DasAuthModule *dasModule = (DasAuthModule *)module;
-    int32_t res = dasModule->getPublicKey(pkgName, serviceType, authId, userType, returnPk);
-    if (res != HC_SUCCESS) {
-        LOGE("Get public key failed, res: %d", res);
-        return res;
-    }
-    return HC_SUCCESS;
-}
-
 int32_t ProcessTask(int taskId, const CJson *in, CJson *out, int *status, int moduleType)
 {
     if (in == NULL || out == NULL || status == NULL) {
diff --git a/services/group_manager/inc/group_manager.h b/services/group_manager/inc/group_manager.h
index 0686e34..d1290f0 100644
--- a/services/group_manager/inc/group_manager.h
+++ b/services/group_manager/inc/group_manager.h
@@ -47,7 +47,6 @@ int32_t RegListenerImpl(const char *appId, const DataChangeListener *listener);
 int32_t UnRegListenerImpl(const char *appId);
 
 int32_t CheckAccessToGroupImpl(const char *appId, const char *groupId);
-int32_t GetPkInfoListImpl(const char *appId, const char *queryParams, char **returnInfoList, uint32_t *returnInfoNum);
 int32_t GetGroupInfoByIdImpl(const char *appId, const char *groupId, char **returnGroupInfo);
 int32_t GetGroupInfoImpl(const char *appId, const char *queryParams, char **returnGroupVec, uint32_t *groupNum);
 int32_t GetJoinedGroupsImpl(const char *appId, int groupType, char **returnGroupVec, uint32_t *groupNum);
diff --git a/services/group_manager/inc/group_operation.h b/services/group_manager/inc/group_operation.h
index c5fa992..0e78b2e 100644
--- a/services/group_manager/inc/group_operation.h
+++ b/services/group_manager/inc/group_operation.h
@@ -41,8 +41,6 @@ typedef struct {
     int32_t (*regListener)(const char *appId, const DataChangeListener *listener);
     int32_t (*unRegListener)(const char *appId);
     int32_t (*checkAccessToGroup)(const char *appId, const char *groupId);
-    int32_t (*getPkInfoList)(const char *appId, const char *queryParams, char **returnInfoList,
-        uint32_t *returnInfoNum);
     int32_t (*getAccessibleGroupInfoById)(const char *appId, const char *groupId, char **returnGroupInfo);
     int32_t (*getAccessibleGroupInfo)(const char *appId, const char *queryParams, char **returnGroupVec,
         uint32_t *groupNum);
diff --git a/services/group_manager/src/group_manager.c b/services/group_manager/src/group_manager.c
index e188d01..d5022f6 100644
--- a/services/group_manager/src/group_manager.c
+++ b/services/group_manager/src/group_manager.c
@@ -117,12 +117,6 @@ int32_t CheckAccessToGroupImpl(const char *appId, const char *groupId)
     return IsGroupSupport() ? GetGroupImplInstance()->checkAccessToGroup(appId, groupId) : HC_ERR_NOT_SUPPORT;
 }
 
-int32_t GetPkInfoListImpl(const char *appId, const char *queryParams, char **returnInfoList, uint32_t *returnInfoNum)
-{
-    return IsGroupSupport() ? GetGroupImplInstance()->getPkInfoList(appId, queryParams, returnInfoList,
-        returnInfoNum) : HC_ERR_NOT_SUPPORT;
-}
-
 int32_t GetGroupInfoByIdImpl(const char *appId, const char *groupId, char **returnGroupInfo)
 {
     return IsGroupSupport() ? GetGroupImplInstance()->getAccessibleGroupInfoById(appId, groupId,
diff --git a/services/group_manager/src/group_operation/group_operation.c b/services/group_manager/src/group_operation/group_operation.c
index 27709f6..abd2677 100644
--- a/services/group_manager/src/group_operation/group_operation.c
+++ b/services/group_manager/src/group_operation/group_operation.c
@@ -186,163 +186,6 @@ static bool IsQueryParamsValid(int groupType, const char *groupId, const char *g
     }
 }
 
-static int32_t QueryRelatedGroupsForGetPk(const char *udid, GroupInfoVec *groupInfoVec)
-{
-    GroupQueryParams dbQueryParams = { 0 };
-    dbQueryParams.visibility = GROUP_VISIBILITY_PUBLIC;
-    dbQueryParams.type = PEER_TO_PEER_GROUP;
-    dbQueryParams.udid = NULL;
-    dbQueryParams.authId = NULL;
-    if (udid != NULL) {
-        uint32_t peerUdidLen = HcStrlen(udid) + 1;
-        dbQueryParams.udid = (char *)HcMalloc(peerUdidLen, 0);
-        if (dbQueryParams.udid == NULL) {
-            LOGE("Failed to allocate memory for queryParams of udid!");
-            return HC_ERR_ALLOC_MEMORY;
-        }
-        if (strcpy_s(dbQueryParams.udid, peerUdidLen, udid) != EOK) {
-            LOGE("Failed to copy udid for queryParams!");
-            HcFree(dbQueryParams.udid);
-            dbQueryParams.udid = NULL;
-            return HC_ERR_MEMORY_COPY;
-        }
-    }
-    int32_t result = GetJoinedGroupInfoVecByDevId(&dbQueryParams, groupInfoVec);
-    HcFree(dbQueryParams.udid);
-    return result;
-}
-
-static int32_t GetPkByParams(const char *groupId, const DeviceInfo *deviceInfo, char *returnPkHexStr,
-    int32_t returnPkHexStrLen)
-{
-    /* Use the DeviceGroupManager package name. */
-    const char *appId = GROUP_MANAGER_PACKAGE_NAME;
-    int userType = deviceInfo->devType;
-    const char *authId = StringGet(&deviceInfo->authId);
-    if (authId == NULL) {
-        LOGE("Failed to get authId from deviceInfo!");
-        return HC_ERR_DB;
-    }
-    Uint8Buff authIdBuff = { 0, 0 };
-    authIdBuff.length = HcStrlen(authId);
-    authIdBuff.val = (uint8_t *)HcMalloc(authIdBuff.length, 0);
-    if (authIdBuff.val == NULL) {
-        LOGE("Failed to allocate authIdBuff memory!");
-        return HC_ERR_ALLOC_MEMORY;
-    }
-    if (memcpy_s(authIdBuff.val, authIdBuff.length, authId, authIdBuff.length) != HC_SUCCESS) {
-        LOGE("Failed to copy authId!");
-        HcFree(authIdBuff.val);
-        return HC_ERR_MEMORY_COPY;
-    }
-    uint8_t returnPkBytes[PUBLIC_KEY_MAX_LENGTH] = { 0 };
-    Uint8Buff returnPkBuff = { 0, 0 };
-    returnPkBuff.length = PUBLIC_KEY_MAX_LENGTH;
-    returnPkBuff.val = returnPkBytes;
-    int32_t res = GetPublicKey(appId, groupId, &authIdBuff, userType, DAS_MODULE, &returnPkBuff);
-    HcFree(authIdBuff.val);
-    if (res != HC_SUCCESS) {
-        return res;
-    }
-    res = GetHashResult(returnPkBuff.val, returnPkBuff.length, returnPkHexStr, returnPkHexStrLen);
-    if (res != HC_SUCCESS) {
-        LOGE("Failed to get hash for pk!");
-        return HC_ERR_HASH_FAIL;
-    }
-    return HC_SUCCESS;
-}
-
-static int32_t GeneratePkInfo(const char *queryUdid, const char *groupId, CJson *pkInfo)
-{
-    DeviceInfo *deviceInfo = CreateDeviceInfoStruct();
-    if (deviceInfo == NULL) {
-        LOGE("Failed to allocate deviceInfo memory!");
-        return HC_ERR_ALLOC_MEMORY;
-    }
-    int32_t res = GetTrustedDevInfoById(queryUdid, true, groupId, deviceInfo);
-    if (res != HC_SUCCESS) {
-        DestroyDeviceInfoStruct(deviceInfo);
-        return res;
-    }
-    char returnPkHexStr[SHA256_LEN * BYTE_TO_HEX_OPER_LENGTH + 1] = { 0 };
-    res = GetPkByParams(groupId, deviceInfo, returnPkHexStr, sizeof(returnPkHexStr));
-    DestroyDeviceInfoStruct(deviceInfo);
-    if (res != HC_SUCCESS) {
-        return res;
-    }
-    if (AddStringToJson(pkInfo, FIELD_GROUP_ID, groupId) != HC_SUCCESS) {
-        LOGE("Failed to add groupId to pkInfo!");
-        return HC_ERR_JSON_ADD;
-    }
-    if (AddStringToJson(pkInfo, FIELD_PUBLIC_KEY, returnPkHexStr) != HC_SUCCESS) {
-        LOGE("Failed to add publicKey to pkInfo!");
-        return HC_ERR_JSON_ADD;
-    }
-    return HC_SUCCESS;
-}
-
-static void AddAllPkInfoToList(const char *queryUdid, const GroupInfoVec *groupInfoVec, CJson *pkInfoList)
-{
-    uint32_t index;
-    void **groupInfoPtr;
-    FOR_EACH_HC_VECTOR(*groupInfoVec, index, groupInfoPtr) {
-        if ((groupInfoPtr == NULL) || (*groupInfoPtr == NULL)) {
-            continue;
-        }
-        GroupInfo *groupInfo = (GroupInfo *)*groupInfoPtr;
-        const char *groupId = StringGet(&groupInfo->id);
-        if (groupId == NULL) {
-            LOGE("Failed to get groupId from groupInfo!");
-            continue;
-        }
-        CJson *pkInfo = CreateJson();
-        if (pkInfo == NULL) {
-            LOGE("Failed to create json!");
-            continue;
-        }
-        int32_t res = GeneratePkInfo(queryUdid, groupId, pkInfo);
-        if (res != HC_SUCCESS) {
-            FreeJson(pkInfo);
-            continue;
-        }
-        if (AddObjToArray(pkInfoList, pkInfo) != HC_SUCCESS) {
-            LOGE("Failed to add pkInfo to pkInfoList!");
-            FreeJson(pkInfo);
-        }
-    }
-}
-
-static int32_t GeneratePkInfoList(const char *appId, const CJson *params, CJson *pkInfoList)
-{
-    const char *udid = GetStringFromJson(params, FIELD_UDID);
-    if (udid == NULL) {
-        LOGE("Failed to get udid from params!");
-        return HC_ERR_JSON_GET;
-    }
-    bool isSelfPk = false;
-    if (GetBoolFromJson(params, FIELD_IS_SELF_PK, &isSelfPk) != HC_SUCCESS) {
-        LOGE("Failed to get isSelfPk from json!");
-        return HC_ERR_JSON_GET;
-    }
-    GroupInfoVec groupInfoVec;
-    CreateGroupInfoVecStruct(&groupInfoVec);
-    int32_t res = QueryRelatedGroupsForGetPk(udid, &groupInfoVec);
-    if (res != HC_SUCCESS) {
-        DestroyGroupInfoVecStruct(&groupInfoVec);
-        return res;
-    }
-    RemoveNoPermissionGroup(&groupInfoVec, appId);
-    const char *queryUdid = isSelfPk ? GetLocalDevUdid() : udid;
-    if (queryUdid == NULL) {
-        LOGE("Failed to get local udid!");
-        DestroyGroupInfoVecStruct(&groupInfoVec);
-        return HC_ERR_DB;
-    }
-    AddAllPkInfoToList(queryUdid, &groupInfoVec, pkInfoList);
-    DestroyGroupInfoVecStruct(&groupInfoVec);
-    return HC_SUCCESS;
-}
-
 static BaseGroup *GetGroupInstance(int32_t groupType)
 {
     if (!IsGroupTypeSupported(groupType)) {
@@ -849,43 +692,6 @@ static int32_t CheckAccessToGroup(const char *appId, const char *groupId)
     return HC_SUCCESS;
 }
 
-static int32_t GetPkInfoList(const char *appId, const char *queryParams, char **returnInfoList, uint32_t *returnInfoNum)
-{
-    LOGI("[Start]: start to get pk list!");
-    if ((appId == NULL) || (queryParams == NULL) || (returnInfoList == NULL) || (returnInfoNum == NULL)) {
-        LOGE("The input parameters contains NULL value!");
-        return HC_ERR_INVALID_PARAMS;
-    }
-    CJson *params = CreateJsonFromString(queryParams);
-    if (params == NULL) {
-        LOGE("Failed to create json from string!");
-        return HC_ERR_JSON_CREATE;
-    }
-    CJson *pkInfoList = CreateJsonArray();
-    if (pkInfoList == NULL) {
-        LOGE("Failed to create json array!");
-        FreeJson(params);
-        return HC_ERR_JSON_CREATE;
-    }
-    int32_t res = GeneratePkInfoList(appId, params, pkInfoList);
-    FreeJson(params);
-    if (res != HC_SUCCESS) {
-        FreeJson(pkInfoList);
-        return res;
-    }
-    int32_t pkInfoNum = GetItemNum(pkInfoList);
-    char *pkInfoListStr = PackJsonToString(pkInfoList);
-    FreeJson(pkInfoList);
-    if (pkInfoListStr == NULL) {
-        LOGE("Failed to convert json to string!");
-        return HC_ERR_PACKAGE_JSON_TO_STRING_FAIL;
-    }
-    *returnInfoList = pkInfoListStr;
-    *returnInfoNum = pkInfoNum;
-    LOGI("[End]: Get pk list successfully!");
-    return HC_SUCCESS;
-}
-
 static int32_t GetAccessibleGroupInfoById(const char *appId, const char *groupId, char **returnGroupInfo)
 {
     if ((appId == NULL) || (groupId == NULL) || (returnGroupInfo == NULL)) {
@@ -1130,7 +936,6 @@ static const GroupImpl g_groupImplInstance = {
     .regListener = RegListener,
     .unRegListener = UnRegListener,
     .checkAccessToGroup = CheckAccessToGroup,
-    .getPkInfoList = GetPkInfoList,
     .getAccessibleGroupInfoById = GetAccessibleGroupInfoById,
     .getAccessibleGroupInfo = GetAccessibleGroupInfo,
     .getAccessibleJoinedGroups = GetAccessibleJoinedGroups,