diff --git a/apps/explorer/test/explorer/chain/import/runner/blocks_test.exs b/apps/explorer/test/explorer/chain/import/runner/blocks_test.exs
index cba86e999a..b04d59895d 100644
--- a/apps/explorer/test/explorer/chain/import/runner/blocks_test.exs
+++ b/apps/explorer/test/explorer/chain/import/runner/blocks_test.exs
@@ -5,34 +5,34 @@ defmodule Explorer.Chain.Import.Runner.BlocksTest do
 
   alias Ecto.Multi
   alias Explorer.Chain.Import.Runner.{Blocks, Transaction}
-  alias Explorer.Chain.{Block, Transaction}
+  alias Explorer.Chain.{Address, Block, Transaction}
   alias Explorer.Repo
 
   describe "run/1" do
     setup do
       block = insert(:block, consensus: true)
 
-      transaction =
-        :transaction
-        |> insert()
-        |> with_block(block)
+      timestamp = DateTime.utc_now()
+      options = %{timestamps: %{inserted_at: timestamp, updated_at: timestamp}}
 
-      %{consensus_block: block, transaction: transaction}
+      %{consensus_block: block, options: options}
     end
 
     test "derive_transaction_forks replaces hash on conflicting (uncle_hash, index)", %{
-      consensus_block: %Block{hash: block_hash, miner_hash: miner_hash, number: block_number},
-      transaction: transaction
+      consensus_block: %Block{hash: block_hash, miner_hash: miner_hash, number: block_number} = consensus_block,
+      options: options
     } do
+      transaction =
+        :transaction
+        |> insert()
+        |> with_block(consensus_block)
+
       block_params =
         params_for(:block, hash: block_hash, miner_hash: miner_hash, number: block_number, consensus: false)
 
       %Ecto.Changeset{valid?: true, changes: block_changes} = Block.changeset(%Block{}, block_params)
       changes_list = [block_changes]
 
-      timestamp = DateTime.utc_now()
-      options = %{timestamps: %{inserted_at: timestamp, updated_at: timestamp}}
-
       assert Repo.aggregate(from(transaction in Transaction, where: is_nil(transaction.block_number)), :count, :hash) ==
                0
 
@@ -76,6 +76,139 @@ defmodule Explorer.Chain.Import.Runner.BlocksTest do
       assert Repo.one!(from(transaction_fork in Transaction.Fork, select: "ctid")) == ctid,
              "Tuple was written even though it is not distinct"
     end
+
+    test "delete_address_current_token_balances deletes rows with matching block number when consensus is true",
+         %{consensus_block: %Block{hash: block_hash, miner_hash: miner_hash, number: block_number}, options: options} do
+      %Address.CurrentTokenBalance{address_hash: address_hash, token_contract_address_hash: token_contract_address_hash} =
+        insert(:address_current_token_balance, block_number: block_number)
+
+      block_params = params_for(:block, hash: block_hash, miner_hash: miner_hash, number: block_number, consensus: true)
+
+      %Ecto.Changeset{valid?: true, changes: block_changes} = Block.changeset(%Block{}, block_params)
+      changes_list = [block_changes]
+
+      assert count(Address.CurrentTokenBalance) == 1
+
+      assert {:ok,
+              %{
+                delete_address_current_token_balances: [
+                  %{address_hash: ^address_hash, token_contract_address_hash: ^token_contract_address_hash}
+                ]
+              }} =
+               Multi.new()
+               |> Blocks.run(changes_list, options)
+               |> Repo.transaction()
+
+      assert count(Address.CurrentTokenBalance) == 0
+    end
+
+    test "delete_address_current_token_balances does not delete rows with matching block number when consensus is false",
+         %{consensus_block: %Block{hash: block_hash, miner_hash: miner_hash, number: block_number}, options: options} do
+      %Address.CurrentTokenBalance{} = insert(:address_current_token_balance, block_number: block_number)
+
+      block_params =
+        params_for(:block, hash: block_hash, miner_hash: miner_hash, number: block_number, consensus: false)
+
+      %Ecto.Changeset{valid?: true, changes: block_changes} = Block.changeset(%Block{}, block_params)
+      changes_list = [block_changes]
+
+      count = 1
+
+      assert count(Address.CurrentTokenBalance) == count
+
+      assert {:ok,
+              %{
+                delete_address_current_token_balances: []
+              }} =
+               Multi.new()
+               |> Blocks.run(changes_list, options)
+               |> Repo.transaction()
+
+      assert count(Address.CurrentTokenBalance) == count
+    end
+
+    test "derive_address_current_token_balances inserts rows if there is an address_token_balance left for the rows deleted by delete_address_current_token_balances",
+         %{consensus_block: %Block{hash: block_hash, miner_hash: miner_hash, number: block_number}, options: options} do
+      %Address.TokenBalance{
+        address_hash: address_hash,
+        token_contract_address_hash: token_contract_address_hash,
+        value: previous_value,
+        block_number: previous_block_number
+      } = insert(:token_balance, block_number: block_number - 1)
+
+      address = Repo.get(Address, address_hash)
+
+      %Address.TokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: ^token_contract_address_hash,
+        value: current_value,
+        block_number: ^block_number
+      } =
+        insert(:token_balance,
+          address: address,
+          token_contract_address_hash: token_contract_address_hash,
+          block_number: block_number
+        )
+
+      refute current_value == previous_value
+
+      %Address.CurrentTokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: ^token_contract_address_hash,
+        block_number: ^block_number,
+        value: ^current_value
+      } =
+        insert(:address_current_token_balance,
+          address: address,
+          token_contract_address_hash: token_contract_address_hash,
+          block_number: block_number,
+          value: current_value
+        )
+
+      block_params = params_for(:block, hash: block_hash, miner_hash: miner_hash, number: block_number, consensus: true)
+
+      %Ecto.Changeset{valid?: true, changes: block_changes} = Block.changeset(%Block{}, block_params)
+      changes_list = [block_changes]
+
+      assert count(Address.TokenBalance) == 2
+      assert count(Address.CurrentTokenBalance) == 1
+
+      assert {:ok,
+              %{
+                delete_address_current_token_balances: [
+                  %{
+                    address_hash: ^address_hash,
+                    token_contract_address_hash: ^token_contract_address_hash
+                  }
+                ],
+                delete_address_token_balances: [
+                  %{
+                    address_hash: ^address_hash,
+                    token_contract_address_hash: ^token_contract_address_hash,
+                    block_number: ^block_number
+                  }
+                ],
+                derive_address_current_token_balances: [
+                  %{
+                    address_hash: ^address_hash,
+                    token_contract_address_hash: ^token_contract_address_hash,
+                    block_number: ^previous_block_number
+                  }
+                ]
+              }} =
+               Multi.new()
+               |> Blocks.run(changes_list, options)
+               |> Repo.transaction()
+
+      assert count(Address.TokenBalance) == 1
+      assert count(Address.CurrentTokenBalance) == 1
+
+      assert %Address.CurrentTokenBalance{block_number: ^previous_block_number, value: ^previous_value} =
+               Repo.get_by(Address.CurrentTokenBalance,
+                 address_hash: address_hash,
+                 token_contract_address_hash: token_contract_address_hash
+               )
+    end
   end
 
   defp count(schema) do
diff --git a/apps/explorer/test/explorer/chain/import_test.exs b/apps/explorer/test/explorer/chain/import_test.exs
index eebee1a76a..93a981648a 100644
--- a/apps/explorer/test/explorer/chain/import_test.exs
+++ b/apps/explorer/test/explorer/chain/import_test.exs
@@ -1828,5 +1828,256 @@ defmodule Explorer.Chain.ImportTest do
       assert transaction_after.error == nil
       assert transaction_after.status == nil
     end
+
+    test "address_token_balances and address_current_token_balances are deleted during reorgs" do
+      %Block{number: block_number} = insert(:block, consensus: true)
+      value_before = Decimal.new(1)
+
+      %Address{hash: address_hash} = address = insert(:address)
+
+      %Address.TokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: token_contract_address_hash,
+        block_number: ^block_number
+      } = insert(:token_balance, address: address, block_number: block_number, value: value_before)
+
+      %Address.CurrentTokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: ^token_contract_address_hash,
+        block_number: ^block_number
+      } =
+        insert(:address_current_token_balance,
+          address: address,
+          token_contract_address_hash: token_contract_address_hash,
+          block_number: block_number,
+          value: value_before
+        )
+
+      miner_hash_after = address_hash()
+      from_address_hash_after = address_hash()
+      block_hash_after = block_hash()
+
+      assert {:ok, _} =
+               Import.all(%{
+                 addresses: %{
+                   params: [
+                     %{hash: miner_hash_after},
+                     %{hash: from_address_hash_after}
+                   ]
+                 },
+                 blocks: %{
+                   params: [
+                     %{
+                       consensus: true,
+                       difficulty: 1,
+                       gas_limit: 1,
+                       gas_used: 1,
+                       hash: block_hash_after,
+                       miner_hash: miner_hash_after,
+                       nonce: 1,
+                       number: block_number,
+                       parent_hash: block_hash(),
+                       size: 1,
+                       timestamp: Timex.parse!("2019-01-01T02:00:00Z", "{ISO:Extended:Z}"),
+                       total_difficulty: 1
+                     }
+                   ]
+                 }
+               })
+
+      assert is_nil(
+               Repo.get_by(Address.CurrentTokenBalance,
+                 address_hash: address_hash,
+                 token_contract_address_hash: token_contract_address_hash
+               )
+             )
+
+      assert is_nil(
+               Repo.get_by(Address.TokenBalance,
+                 address_hash: address_hash,
+                 token_contract_address_hash: token_contract_address_hash,
+                 block_number: block_number
+               )
+             )
+    end
+
+    test "address_current_token_balances is derived during reorgs" do
+      %Block{number: block_number} = insert(:block, consensus: true)
+      previous_block_number = block_number - 1
+
+      %Address.TokenBalance{
+        address_hash: address_hash,
+        token_contract_address_hash: token_contract_address_hash,
+        value: previous_value,
+        block_number: previous_block_number
+      } = insert(:token_balance, block_number: previous_block_number)
+
+      address = Repo.get(Address, address_hash)
+
+      %Address.TokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: token_contract_address_hash,
+        value: current_value,
+        block_number: ^block_number
+      } =
+        insert(:token_balance,
+          address: address,
+          token_contract_address_hash: token_contract_address_hash,
+          block_number: block_number
+        )
+
+      refute current_value == previous_value
+
+      %Address.CurrentTokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: ^token_contract_address_hash,
+        block_number: ^block_number
+      } =
+        insert(:address_current_token_balance,
+          address: address,
+          token_contract_address_hash: token_contract_address_hash,
+          block_number: block_number,
+          value: current_value
+        )
+
+      miner_hash_after = address_hash()
+      from_address_hash_after = address_hash()
+      block_hash_after = block_hash()
+
+      assert {:ok, _} =
+               Import.all(%{
+                 addresses: %{
+                   params: [
+                     %{hash: miner_hash_after},
+                     %{hash: from_address_hash_after}
+                   ]
+                 },
+                 blocks: %{
+                   params: [
+                     %{
+                       consensus: true,
+                       difficulty: 1,
+                       gas_limit: 1,
+                       gas_used: 1,
+                       hash: block_hash_after,
+                       miner_hash: miner_hash_after,
+                       nonce: 1,
+                       number: block_number,
+                       parent_hash: block_hash(),
+                       size: 1,
+                       timestamp: Timex.parse!("2019-01-01T02:00:00Z", "{ISO:Extended:Z}"),
+                       total_difficulty: 1
+                     }
+                   ]
+                 }
+               })
+
+      assert %Address.CurrentTokenBalance{block_number: ^previous_block_number, value: ^previous_value} =
+               Repo.get_by(Address.CurrentTokenBalance,
+                 address_hash: address_hash,
+                 token_contract_address_hash: token_contract_address_hash
+               )
+
+      assert is_nil(
+               Repo.get_by(Address.TokenBalance,
+                 address_hash: address_hash,
+                 token_contract_address_hash: token_contract_address_hash,
+                 block_number: block_number
+               )
+             )
+    end
+
+    test "address_token_balances and address_current_token_balances can be replaced during reorgs" do
+      %Block{number: block_number} = insert(:block, consensus: true)
+      value_before = Decimal.new(1)
+
+      %Address{hash: address_hash} = address = insert(:address)
+
+      %Address.TokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: token_contract_address_hash,
+        block_number: ^block_number
+      } = insert(:token_balance, address: address, block_number: block_number, value: value_before)
+
+      %Address.CurrentTokenBalance{
+        address_hash: ^address_hash,
+        token_contract_address_hash: ^token_contract_address_hash,
+        block_number: ^block_number
+      } =
+        insert(:address_current_token_balance,
+          address: address,
+          token_contract_address_hash: token_contract_address_hash,
+          block_number: block_number,
+          value: value_before
+        )
+
+      miner_hash_after = address_hash()
+      from_address_hash_after = address_hash()
+      block_hash_after = block_hash()
+      value_after = Decimal.add(value_before, 1)
+
+      assert {:ok, _} =
+               Import.all(%{
+                 addresses: %{
+                   params: [
+                     %{hash: address_hash},
+                     %{hash: token_contract_address_hash},
+                     %{hash: miner_hash_after},
+                     %{hash: from_address_hash_after}
+                   ]
+                 },
+                 address_token_balances: %{
+                   params: [
+                     %{
+                       address_hash: address_hash,
+                       token_contract_address_hash: token_contract_address_hash,
+                       block_number: block_number,
+                       value: value_after
+                     }
+                   ]
+                 },
+                 address_current_token_balances: %{
+                   params: [
+                     %{
+                       address_hash: address_hash,
+                       token_contract_address_hash: token_contract_address_hash,
+                       block_number: block_number,
+                       value: value_after
+                     }
+                   ]
+                 },
+                 blocks: %{
+                   params: [
+                     %{
+                       consensus: true,
+                       difficulty: 1,
+                       gas_limit: 1,
+                       gas_used: 1,
+                       hash: block_hash_after,
+                       miner_hash: miner_hash_after,
+                       nonce: 1,
+                       number: block_number,
+                       parent_hash: block_hash(),
+                       size: 1,
+                       timestamp: Timex.parse!("2019-01-01T02:00:00Z", "{ISO:Extended:Z}"),
+                       total_difficulty: 1
+                     }
+                   ]
+                 }
+               })
+
+      assert %Address.CurrentTokenBalance{value: ^value_after} =
+               Repo.get_by(Address.CurrentTokenBalance,
+                 address_hash: address_hash,
+                 token_contract_address_hash: token_contract_address_hash
+               )
+
+      assert %Address.TokenBalance{value: ^value_after} =
+               Repo.get_by(Address.TokenBalance,
+                 address_hash: address_hash,
+                 token_contract_address_hash: token_contract_address_hash,
+                 block_number: block_number
+               )
+    end
   end
 end