diff --git a/.changeset/red-wasps-report.md b/.changeset/red-wasps-report.md
index 493d48e0..a63ca2aa 100644
--- a/.changeset/red-wasps-report.md
+++ b/.changeset/red-wasps-report.md
@@ -6,11 +6,6 @@ Modified the `CartesiDApp` contract:
 
 -   Renamed it as `Application`.
 
--   Made it support the following interfaces (as in EIP-165):
-
-    -   `IApplication`
-    -   `IERC721Receiver`
-
 -   Removed the `withdrawEther` function.
 
 -   Removed the `OnlyApplication` error.
diff --git a/.changeset/silly-islands-end.md b/.changeset/silly-islands-end.md
index 82ae37e2..c8515122 100644
--- a/.changeset/silly-islands-end.md
+++ b/.changeset/silly-islands-end.md
@@ -9,7 +9,7 @@ Modified the `ICartesiDApp` interface:
 -   Made it inherit from:
 
     -   `IERC721Receiver`.
-    -   `IERC1155Receiver` (which inherits from `IERC165`).
+    -   `IERC1155Receiver`.
 
 -   Modified the `executeVoucher` function:
 
diff --git a/contracts/dapp/Application.sol b/contracts/dapp/Application.sol
index 0ee35c0d..f7cb1956 100644
--- a/contracts/dapp/Application.sol
+++ b/contracts/dapp/Application.sol
@@ -15,7 +15,6 @@ import {ERC721Holder} from "@openzeppelin/contracts/token/ERC721/utils/ERC721Hol
 import {ERC1155Holder} from "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol";
 import {ReentrancyGuard} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
 import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
-import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
 import {BitMaps} from "@openzeppelin/contracts/utils/structs/BitMaps.sol";
 
 contract Application is
@@ -135,15 +134,6 @@ contract Application is
         return _consensus;
     }
 
-    function supportsInterface(
-        bytes4 interfaceId
-    ) public view virtual override(ERC1155Holder, IERC165) returns (bool) {
-        return
-            interfaceId == type(IApplication).interfaceId ||
-            interfaceId == type(IERC721Receiver).interfaceId ||
-            super.supportsInterface(interfaceId);
-    }
-
     /// @notice Check if an output Merkle root hash was ever accepted by the current consensus.
     /// @param claim The output Merkle root hash
     function _wasClaimAccepted(bytes32 claim) internal view returns (bool) {
diff --git a/test/foundry/dapp/Application.t.sol b/test/foundry/dapp/Application.t.sol
index f838ac8a..930e4cc2 100644
--- a/test/foundry/dapp/Application.t.sol
+++ b/test/foundry/dapp/Application.t.sol
@@ -14,7 +14,6 @@ import {SafeERC20Transfer} from "contracts/delegatecall/SafeERC20Transfer.sol";
 
 import {IERC1155Receiver} from "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
 import {IERC1155} from "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
-import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
 import {IERC20Errors, IERC721Errors, IERC1155Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
 import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
@@ -22,7 +21,7 @@ import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
 import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 
-import {ERC165Test} from "../util/ERC165Test.sol";
+import {TestBase} from "../util/TestBase.sol";
 import {EtherReceiver} from "../util/EtherReceiver.sol";
 import {ExternalLibMerkle32} from "../library/LibMerkle32.t.sol";
 import {LibEmulator} from "../util/LibEmulator.sol";
@@ -30,7 +29,7 @@ import {SimpleERC20} from "../util/SimpleERC20.sol";
 import {SimpleERC721} from "../util/SimpleERC721.sol";
 import {SimpleSingleERC1155, SimpleBatchERC1155} from "../util/SimpleERC1155.sol";
 
-contract ApplicationTest is ERC165Test {
+contract ApplicationTest is TestBase {
     using LibEmulator for LibEmulator.State;
     using ExternalLibMerkle32 for bytes32[];
 
@@ -291,23 +290,6 @@ contract ApplicationTest is ERC165Test {
         _testERC20Success(output, proof);
     }
 
-    // -------
-    // ERC-165
-    // -------
-
-    function getERC165Contract() public view override returns (IERC165) {
-        return _appContract;
-    }
-
-    function getSupportedInterfaces()
-        public
-        view
-        override
-        returns (bytes4[] memory)
-    {
-        return _interfaceIds;
-    }
-
     // ------------------
     // internal functions
     // ------------------
diff --git a/test/foundry/util/ERC165Test.sol b/test/foundry/util/ERC165Test.sol
deleted file mode 100644
index e7b2212d..00000000
--- a/test/foundry/util/ERC165Test.sol
+++ /dev/null
@@ -1,40 +0,0 @@
-// (c) Cartesi and individual authors (see AUTHORS)
-// SPDX-License-Identifier: Apache-2.0 (see LICENSE)
-
-pragma solidity ^0.8.8;
-
-import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
-
-import {TestBase} from "./TestBase.sol";
-
-/// @notice Tests contracts that implement ERC-165
-abstract contract ERC165Test is TestBase {
-    /// @notice Get ERC-165 contract to be tested
-    function getERC165Contract() public virtual returns (IERC165);
-
-    /// @notice Get array of IDs of supported interfaces
-    function getSupportedInterfaces() public virtual returns (bytes4[] memory);
-
-    function testSupportsInterface() public {
-        IERC165 erc165 = getERC165Contract();
-        assertTrue(erc165.supportsInterface(type(IERC165).interfaceId));
-        assertFalse(erc165.supportsInterface(0xffffffff));
-
-        bytes4[] memory supportedInterfaces = getSupportedInterfaces();
-        for (uint256 i; i < supportedInterfaces.length; ++i) {
-            assertTrue(erc165.supportsInterface(supportedInterfaces[i]));
-        }
-    }
-
-    function testSupportsInterface(bytes4 interfaceId) public {
-        vm.assume(interfaceId != type(IERC165).interfaceId);
-
-        bytes4[] memory supportedInterfaces = getSupportedInterfaces();
-        for (uint256 i; i < supportedInterfaces.length; ++i) {
-            vm.assume(interfaceId != supportedInterfaces[i]);
-        }
-
-        IERC165 erc165 = getERC165Contract();
-        assertFalse(erc165.supportsInterface(interfaceId));
-    }
-}