diff --git a/contracts/base/ERC721Multiwrap.sol b/contracts/base/ERC721Multiwrap.sol
index 78fb9b774..c84064697 100644
--- a/contracts/base/ERC721Multiwrap.sol
+++ b/contracts/base/ERC721Multiwrap.sol
@@ -203,7 +203,7 @@ contract ERC721Multiwrap is Multicall, TokenStore, SoulboundERC721A, ERC721A, Co
     }
 
     /// @dev Returns whether transfers can be restricted in a given execution context.
-    function _canRestrictTransfers() internal virtual override returns (bool) {
+    function _canRestrictTransfers() internal view virtual override returns (bool) {
         return msg.sender == owner();
     }
 
diff --git a/contracts/extension/ContractMetadata.sol b/contracts/extension/ContractMetadata.sol
index 0a3498128..c90ea0764 100644
--- a/contracts/extension/ContractMetadata.sol
+++ b/contracts/extension/ContractMetadata.sol
@@ -39,5 +39,5 @@ abstract contract ContractMetadata is IContractMetadata {
     }
 
     /// @dev Returns whether contract metadata can be set in the given execution context.
-    function _canSetContractURI() internal virtual returns (bool);
+    function _canSetContractURI() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/Drop.sol b/contracts/extension/Drop.sol
index 2c0b031c8..b80e00fbc 100644
--- a/contracts/extension/Drop.sol
+++ b/contracts/extension/Drop.sol
@@ -316,5 +316,5 @@ abstract contract Drop is IDrop {
         returns (uint256 startTokenId);
 
     /// @dev Determine what wallet can update claim conditions
-    function _canSetClaimConditions() internal virtual returns (bool);
+    function _canSetClaimConditions() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/DropSinglePhase.sol b/contracts/extension/DropSinglePhase.sol
index e86952d47..7693fe911 100644
--- a/contracts/extension/DropSinglePhase.sol
+++ b/contracts/extension/DropSinglePhase.sol
@@ -252,5 +252,5 @@ abstract contract DropSinglePhase is IDropSinglePhase {
         virtual
         returns (uint256 startTokenId);
 
-    function _canSetClaimConditions() internal virtual returns (bool);
+    function _canSetClaimConditions() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/DropSinglePhase1155.sol b/contracts/extension/DropSinglePhase1155.sol
index 3dcbbe3a4..31127a1fd 100644
--- a/contracts/extension/DropSinglePhase1155.sol
+++ b/contracts/extension/DropSinglePhase1155.sol
@@ -272,5 +272,5 @@ abstract contract DropSinglePhase1155 is IDropSinglePhase1155 {
         uint256 _quantityBeingClaimed
     ) internal virtual;
 
-    function _canSetClaimConditions() internal virtual returns (bool);
+    function _canSetClaimConditions() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/Ownable.sol b/contracts/extension/Ownable.sol
index fea6d8d18..593ac29ba 100644
--- a/contracts/extension/Ownable.sol
+++ b/contracts/extension/Ownable.sol
@@ -49,5 +49,5 @@ abstract contract Ownable is IOwnable {
     }
 
     /// @dev Returns whether owner can be set in the given execution context.
-    function _canSetOwner() internal virtual returns (bool);
+    function _canSetOwner() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/PlatformFee.sol b/contracts/extension/PlatformFee.sol
index 8b9b86d5a..9662f9c30 100644
--- a/contracts/extension/PlatformFee.sol
+++ b/contracts/extension/PlatformFee.sol
@@ -51,5 +51,5 @@ abstract contract PlatformFee is IPlatformFee {
     }
 
     /// @dev Returns whether platform fee info can be set in the given execution context.
-    function _canSetPlatformFeeInfo() internal virtual returns (bool);
+    function _canSetPlatformFeeInfo() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/PrimarySale.sol b/contracts/extension/PrimarySale.sol
index 0230ff398..351a9a3b3 100644
--- a/contracts/extension/PrimarySale.sol
+++ b/contracts/extension/PrimarySale.sol
@@ -41,5 +41,5 @@ abstract contract PrimarySale is IPrimarySale {
     }
 
     /// @dev Returns whether primary sale recipient can be set in the given execution context.
-    function _canSetPrimarySaleRecipient() internal virtual returns (bool);
+    function _canSetPrimarySaleRecipient() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/Royalty.sol b/contracts/extension/Royalty.sol
index 58a588c26..2114047bc 100644
--- a/contracts/extension/Royalty.sol
+++ b/contracts/extension/Royalty.sol
@@ -130,5 +130,5 @@ abstract contract Royalty is IRoyalty {
     }
 
     /// @dev Returns whether royalty info can be set in the given execution context.
-    function _canSetRoyaltyInfo() internal virtual returns (bool);
+    function _canSetRoyaltyInfo() internal view virtual returns (bool);
 }
diff --git a/contracts/extension/SignatureMintERC1155.sol b/contracts/extension/SignatureMintERC1155.sol
index 4f8aaef3d..78a658883 100644
--- a/contracts/extension/SignatureMintERC1155.sol
+++ b/contracts/extension/SignatureMintERC1155.sol
@@ -2,9 +2,7 @@
 pragma solidity ^0.8.0;
 
 import "./interface/ISignatureMintERC1155.sol";
-
-import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
-import "@openzeppelin/contracts/utils/cryptography/draft-EIP712.sol";
+import "../openzeppelin-presets/utils/cryptography/EIP712.sol";
 
 abstract contract SignatureMintERC1155 is EIP712, ISignatureMintERC1155 {
     using ECDSA for bytes32;
diff --git a/contracts/extension/SoulboundERC721A.sol b/contracts/extension/SoulboundERC721A.sol
index fa1929f12..e22e51515 100644
--- a/contracts/extension/SoulboundERC721A.sol
+++ b/contracts/extension/SoulboundERC721A.sol
@@ -35,7 +35,7 @@ abstract contract SoulboundERC721A is PermissionsEnumerable {
     }
 
     /// @dev Returns whether transfers can be restricted in a given execution context.
-    function _canRestrictTransfers() internal virtual returns (bool);
+    function _canRestrictTransfers() internal view virtual returns (bool);
 
     /// @dev See {ERC721A-_beforeTokenTransfers}.
     function _beforeTokenTransfers(
diff --git a/src/test/sdk/extension/ContractMetadata.t.sol b/src/test/sdk/extension/ContractMetadata.t.sol
index 21fce8336..a28b9d076 100644
--- a/src/test/sdk/extension/ContractMetadata.t.sol
+++ b/src/test/sdk/extension/ContractMetadata.t.sol
@@ -13,7 +13,7 @@ contract MyContractMetadata is ContractMetadata {
         condition = _condition;
     }
 
-    function _canSetContractURI() internal override returns (bool) {
+    function _canSetContractURI() internal view override returns (bool) {
         return condition;
     }
 }
diff --git a/src/test/sdk/extension/DropSinglePhase.t.sol b/src/test/sdk/extension/DropSinglePhase.t.sol
index 531968fc0..94bef98e0 100644
--- a/src/test/sdk/extension/DropSinglePhase.t.sol
+++ b/src/test/sdk/extension/DropSinglePhase.t.sol
@@ -13,7 +13,7 @@ contract MyDropSinglePhase is DropSinglePhase {
         condition = _condition;
     }
 
-    function _canSetClaimConditions() internal override returns (bool) {
+    function _canSetClaimConditions() internal view override returns (bool) {
         return condition;
     }
 
diff --git a/src/test/sdk/extension/DropSinglePhase1155.t.sol b/src/test/sdk/extension/DropSinglePhase1155.t.sol
index feb9d2246..362f25396 100644
--- a/src/test/sdk/extension/DropSinglePhase1155.t.sol
+++ b/src/test/sdk/extension/DropSinglePhase1155.t.sol
@@ -13,7 +13,7 @@ contract MyDropSinglePhase1155 is DropSinglePhase1155 {
         condition = _condition;
     }
 
-    function _canSetClaimConditions() internal override returns (bool) {
+    function _canSetClaimConditions() internal view override returns (bool) {
         return condition;
     }
 
diff --git a/src/test/sdk/extension/Ownable.t.sol b/src/test/sdk/extension/Ownable.t.sol
index 69397a3e7..efc8e7ee8 100644
--- a/src/test/sdk/extension/Ownable.t.sol
+++ b/src/test/sdk/extension/Ownable.t.sol
@@ -13,7 +13,7 @@ contract MyOwnable is Ownable {
         condition = _condition;
     }
 
-    function _canSetOwner() internal override returns (bool) {
+    function _canSetOwner() internal view override returns (bool) {
         return condition;
     }
 }
diff --git a/src/test/sdk/extension/PlatformFee.t.sol b/src/test/sdk/extension/PlatformFee.t.sol
index 086922a7d..da05dc114 100644
--- a/src/test/sdk/extension/PlatformFee.t.sol
+++ b/src/test/sdk/extension/PlatformFee.t.sol
@@ -13,7 +13,7 @@ contract MyPlatformFee is PlatformFee {
         condition = _condition;
     }
 
-    function _canSetPlatformFeeInfo() internal override returns (bool) {
+    function _canSetPlatformFeeInfo() internal view override returns (bool) {
         return condition;
     }
 }
diff --git a/src/test/sdk/extension/PrimarySale.t.sol b/src/test/sdk/extension/PrimarySale.t.sol
index 94d6812b9..ce360dbdf 100644
--- a/src/test/sdk/extension/PrimarySale.t.sol
+++ b/src/test/sdk/extension/PrimarySale.t.sol
@@ -13,7 +13,7 @@ contract MyPrimarySale is PrimarySale {
         condition = _condition;
     }
 
-    function _canSetPrimarySaleRecipient() internal override returns (bool) {
+    function _canSetPrimarySaleRecipient() internal view override returns (bool) {
         return condition;
     }
 }
diff --git a/src/test/sdk/extension/Royalty.t.sol b/src/test/sdk/extension/Royalty.t.sol
index 18a81c2ba..51a73a6c5 100644
--- a/src/test/sdk/extension/Royalty.t.sol
+++ b/src/test/sdk/extension/Royalty.t.sol
@@ -13,7 +13,7 @@ contract MyRoyalty is Royalty {
         condition = _condition;
     }
 
-    function _canSetRoyaltyInfo() internal override returns (bool) {
+    function _canSetRoyaltyInfo() internal view override returns (bool) {
         return condition;
     }