diff --git a/libraries/chain/hardfork.d/GPOS.hf b/libraries/chain/hardfork.d/GPOS.hf
index 39dd7ac4..8e93f80f 100644
--- a/libraries/chain/hardfork.d/GPOS.hf
+++ b/libraries/chain/hardfork.d/GPOS.hf
@@ -1,4 +1,4 @@
-// GPOS HARDFORK Monday, 16 March 2020 19:00:00 GMT
+// GPOS HARDFORK Monday, 31 Dec 2019 00:00:00 GMT
 #ifndef HARDFORK_GPOS_TIME
-#define HARDFORK_GPOS_TIME (fc::time_point_sec( 1584385200 ))
+#define HARDFORK_GPOS_TIME (fc::time_point_sec( 1577750400 ))
 #endif
diff --git a/libraries/chain/vesting_balance_evaluator.cpp b/libraries/chain/vesting_balance_evaluator.cpp
index 9f93a5ff..dc91a449 100644
--- a/libraries/chain/vesting_balance_evaluator.cpp
+++ b/libraries/chain/vesting_balance_evaluator.cpp
@@ -42,9 +42,6 @@ void_result vesting_balance_create_evaluator::do_evaluate( const vesting_balance
    FC_ASSERT( d.get_balance( creator_account.id, op.amount.asset_id ) >= op.amount );
    FC_ASSERT( !op.amount.asset_id(d).is_transfer_restricted() );
 
-   if(d.head_block_time() < HARDFORK_SON_TIME) // Todo: can be removed after gpos hf time pass
-      FC_ASSERT( op.balance_type == vesting_balance_type::normal);
-
    if(d.head_block_time() >= HARDFORK_SON_TIME && op.balance_type == vesting_balance_type::son) // Todo: hf check can be removed after pass
       FC_ASSERT( op.amount.amount >= d.get_global_properties().parameters.son_vesting_amount() );