diff --git a/x/auth/types/account.go b/x/auth/types/account.go
index a8d919a385ee..4aa5753117fe 100644
--- a/x/auth/types/account.go
+++ b/x/auth/types/account.go
@@ -2,7 +2,6 @@ package types
 
 import (
 	"bytes"
-	"encoding/json"
 	"errors"
 	"time"
 
@@ -168,48 +167,3 @@ func (acc BaseAccount) MarshalYAML() (interface{}, error) {
 
 	return string(bz), err
 }
-
-// MarshalJSON returns the JSON representation of a BaseAccount.
-func (acc BaseAccount) MarshalJSON() ([]byte, error) {
-	alias := baseAccountPretty{
-		Address:       acc.Address,
-		Coins:         acc.Coins,
-		AccountNumber: acc.AccountNumber,
-		Sequence:      acc.Sequence,
-	}
-
-	if acc.PubKey != nil {
-		pks, err := sdk.Bech32ifyPubKey(sdk.Bech32PubKeyTypeAccPub, acc.PubKey)
-		if err != nil {
-			return nil, err
-		}
-
-		alias.PubKey = pks
-	}
-
-	return json.Marshal(alias)
-}
-
-// UnmarshalJSON unmarshals raw JSON bytes into a BaseAccount.
-func (acc *BaseAccount) UnmarshalJSON(bz []byte) error {
-	var alias baseAccountPretty
-	if err := json.Unmarshal(bz, &alias); err != nil {
-		return err
-	}
-
-	if alias.PubKey != "" {
-		pk, err := sdk.GetPubKeyFromBech32(sdk.Bech32PubKeyTypeAccPub, alias.PubKey)
-		if err != nil {
-			return err
-		}
-
-		acc.PubKey = pk
-	}
-
-	acc.Address = alias.Address
-	acc.Coins = alias.Coins
-	acc.AccountNumber = alias.AccountNumber
-	acc.Sequence = alias.Sequence
-
-	return nil
-}
diff --git a/x/auth/types/account_test.go b/x/auth/types/account_test.go
index 7be6a25e5623..14236172a851 100644
--- a/x/auth/types/account_test.go
+++ b/x/auth/types/account_test.go
@@ -1,7 +1,6 @@
 package types
 
 import (
-	"encoding/json"
 	"errors"
 	"testing"
 
@@ -129,28 +128,3 @@ func TestGenesisAccountValidate(t *testing.T) {
 		})
 	}
 }
-
-func TestBaseAccountJSON(t *testing.T) {
-	pubkey := secp256k1.GenPrivKey().PubKey()
-	addr := sdk.AccAddress(pubkey.Address())
-	coins := sdk.NewCoins(sdk.NewInt64Coin("test", 5))
-	baseAcc := NewBaseAccount(addr, coins, pubkey, 10, 50)
-
-	bz, err := json.Marshal(baseAcc)
-	require.NoError(t, err)
-
-	bz1, err := baseAcc.MarshalJSON()
-	require.NoError(t, err)
-	require.Equal(t, string(bz1), string(bz))
-
-	var a BaseAccount
-	require.NoError(t, json.Unmarshal(bz, &a))
-	require.Equal(t, baseAcc.String(), a.String())
-
-	bz, err = ModuleCdc.MarshalJSON(baseAcc)
-	require.NoError(t, err)
-
-	var b BaseAccount
-	require.NoError(t, ModuleCdc.UnmarshalJSON(bz, &b))
-	require.Equal(t, baseAcc.String(), b.String())
-}