diff --git a/build/StarcoinFramework/BuildInfo.yaml b/build/StarcoinFramework/BuildInfo.yaml
index d6053e95..8c8b8093 100644
--- a/build/StarcoinFramework/BuildInfo.yaml
+++ b/build/StarcoinFramework/BuildInfo.yaml
@@ -306,7 +306,7 @@ compiled_package_info:
     ? address: "0x00000000000000000000000000000001"
       name: YieldFarmingV2
     : StarcoinFramework
-  source_digest: A710EE5A9CB99AFE86615AD5840E39342DB78E8FB0F5F9509550D55526BF054D
+  source_digest: 695F4208154FB109E223367B79D9AD3C30261C91BF6F595A3B9D2226BC5103B0
   build_flags:
     dev_mode: false
     test_mode: false
diff --git a/integration-tests/daospace/dao_ext.exp b/integration-tests/daospace/dao_ext.exp
deleted file mode 100644
index 746d1a3e..00000000
--- a/integration-tests/daospace/dao_ext.exp
+++ /dev/null
@@ -1,19 +0,0 @@
-processed 9 tasks
-
-task 6 'run'. lines 56-65:
-{
-  "gas_used": 917082,
-  "status": "Executed"
-}
-
-task 7 'run'. lines 67-76:
-{
-  "gas_used": 63423,
-  "status": "Executed"
-}
-
-task 8 'run'. lines 78-87:
-{
-  "gas_used": 63423,
-  "status": "Executed"
-}
diff --git a/integration-tests/daospace/dao_ext.move b/integration-tests/daospace/dao_ext.move
deleted file mode 100644
index f4d05b6c..00000000
--- a/integration-tests/daospace/dao_ext.move
+++ /dev/null
@@ -1,87 +0,0 @@
-//# init -n dev
-
-//# faucet --addr creator --amount 100000000000
-
-//# faucet --addr alice --amount 10000000000
-
-//# faucet --addr bob --amount 10000000000
-
-//# publish
-module creator::DAOHelper {
-    use StarcoinFramework::DAOAccount;
-    use StarcoinFramework::DAOSpace;
-    use StarcoinFramework::Option;
-
-    struct X has store, copy, drop {
-        value: u64,
-    }
-
-    const NAME: vector<u8> = b"X";
-
-    /// directly upgrade the sender account to DAOAccount and create DAO
-    public(script) fun create_dao(
-        sender: signer,
-        voting_delay: u64,
-        voting_period: u64,
-        voting_quorum_rate: u8,
-        min_action_delay: u64,
-        min_proposal_deposit: u128, ) {
-        let dao_account_cap = DAOAccount::upgrade_to_dao(sender);
-
-
-        //let dao_signer = DAOAccount::dao_signer(&dao_account_cap);
-        let config = DAOSpace::new_dao_config(
-            voting_delay,
-            voting_period,
-            voting_quorum_rate,
-            min_action_delay,
-            min_proposal_deposit,
-        );
-        let dao_ext = X { value: 0};
-        let dao_root_cap = DAOSpace::create_dao<X>(dao_account_cap, *&NAME, Option::none<vector<u8>>(), Option::none<vector<u8>>(), b"ipfs://description", dao_ext, config);
-
-        DAOSpace::burn_root_cap(dao_root_cap);
-    }
-
-    public fun modify_ext(value: u64): u64 {
-        let witness = X { value: 0 };
-        let X { value: old_value } = DAOSpace::take_ext(&witness);
-        DAOSpace::save_ext(X { value });
-        old_value
-    }
-}
-
-//# block --author 0x1 --timestamp 86400000
-
-//# run --signers creator
-script {
-    use creator::DAOHelper;
-
-    fun main(sender: signer) {
-        // time unit is millsecond
-        DAOHelper::create_dao(sender, 10000, 3600000, 2, 10000, 10);
-    }
-}
-// check: EXECUTED
-
-//# run --signers alice
-script {
-    use creator::DAOHelper;
-
-    fun main(_sender: signer) {
-        let ext_value = DAOHelper::modify_ext(123);
-        assert!(ext_value == 0, 101);
-    }
-}
-// check: EXECUTED
-
-//# run --signers bob
-script {
-    use creator::DAOHelper;
-
-    fun main(_sender: signer) {
-        let ext_value = DAOHelper::modify_ext(234);
-        assert!(ext_value == 123, 101);
-    }
-}
-// check: EXECUTED
diff --git a/sources/daospace/DAOSpace.move b/sources/daospace/DAOSpace.move
index c0c1eb97..d05a006b 100644
--- a/sources/daospace/DAOSpace.move
+++ b/sources/daospace/DAOSpace.move
@@ -30,7 +30,6 @@ module StarcoinFramework::DAOSpace {
     const ERR_NFT_ERROR: u64 = 104;
     const ERR_ALREADY_INIT: u64 = 105;
     const ERR_TOKEN_ERROR: u64 = 106;
-    const ERR_DAO_EXT: u64 = 107;
 
     /// member
     const ERR_EXPECT_MEMBER: u64 = 200;
@@ -194,8 +193,6 @@ module StarcoinFramework::DAOSpace {
         Vector::push_back(&mut caps, member_cap_type());
         Vector::push_back(&mut caps, proposal_cap_type());
         Vector::push_back(&mut caps, grant_cap_type());
-        Vector::push_back(&mut caps, token_mint_cap_type());
-        Vector::push_back(&mut caps, token_burn_cap_type());
         caps
     }
 
@@ -343,31 +340,12 @@ module StarcoinFramework::DAOSpace {
         DAORootCap<DAOT>{}
     }
 
-    /// Upgrade account to DAO account and create DAO
+    // Upgrade account to DAO account and create DAO
     public fun upgrade_to_dao<DAOT: store>(sender: signer, name: vector<u8>, image_data:Option::Option<vector<u8>>, image_url:Option::Option<vector<u8>>, description:vector<u8>, ext: DAOT, config: DAOConfig): DAORootCap<DAOT> acquires DAOEvent{
         let cap = DAOAccount::upgrade_to_dao(sender);
         create_dao<DAOT>(cap, name, image_data, image_url, description, ext, config)
     }
 
-    /// Take ext from DAOExt
-    public fun take_ext<DAOT: store>(_witness: &DAOT): DAOT
-    acquires DAOExt {
-        let dao_addr = dao_address<DAOT>();
-        assert!(exists<DAOExt<DAOT>>(dao_addr), Errors::not_published(ERR_DAO_EXT));
-        let DAOExt<DAOT> { ext } = move_from<DAOExt<DAOT>>(dao_addr);
-        ext
-    }
-
-    /// Save ext to DAOExt
-    public fun save_ext<DAOT: store>(ext: DAOT) acquires DAOAccountCapHolder {
-        let dao_addr = dao_address<DAOT>();
-        assert!(!exists<DAOExt<DAOT>>(dao_addr), Errors::already_published(ERR_DAO_EXT));
-        let dao_signer = dao_signer<DAOT>();
-        move_to(&dao_signer, DAOExt{
-            ext
-        });
-    }
-
     /// Burn the root cap after init the DAO
     public fun burn_root_cap<DAOT>(cap: DAORootCap<DAOT>) {
         let DAORootCap{} = cap;