diff --git a/crates/cheatcodes/assets/cheatcodes.json b/crates/cheatcodes/assets/cheatcodes.json
index ed842ddd8aef..d8f8d21df67b 100644
--- a/crates/cheatcodes/assets/cheatcodes.json
+++ b/crates/cheatcodes/assets/cheatcodes.json
@@ -4615,7 +4615,7 @@
       "func": {
         "id": "eth_getLogs",
         "description": "Gets all the logs according to specified filter.",
-        "declaration": "function eth_getLogs(uint256 fromBlock, uint256 toBlock, address target, bytes32[] memory topics) external returns (EthGetLogs[] memory logs);",
+        "declaration": "function eth_getLogs(uint256 fromBlock, uint256 toBlock, address target, bytes32[] calldata topics) external returns (EthGetLogs[] memory logs);",
         "visibility": "external",
         "mutability": "",
         "signature": "eth_getLogs(uint256,uint256,address,bytes32[])",
@@ -5355,7 +5355,7 @@
       "func": {
         "id": "getBroadcast",
         "description": "Returns the most recent broadcast for the given contract on `chainId` matching `txType`.\nFor example:\nThe most recent deployment can be fetched by passing `txType` as `CREATE` or `CREATE2`.\nThe most recent call can be fetched by passing `txType` as `CALL`.",
-        "declaration": "function getBroadcast(string memory contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary memory);",
+        "declaration": "function getBroadcast(string calldata contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary memory);",
         "visibility": "external",
         "mutability": "view",
         "signature": "getBroadcast(string,uint64,uint8)",
@@ -5375,7 +5375,7 @@
       "func": {
         "id": "getBroadcasts_0",
         "description": "Returns all broadcasts for the given contract on `chainId` with the specified `txType`.\nSorted such that the most recent broadcast is the first element, and the oldest is the last. i.e descending order of BroadcastTxSummary.blockNumber.",
-        "declaration": "function getBroadcasts(string memory contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary[] memory);",
+        "declaration": "function getBroadcasts(string calldata contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary[] memory);",
         "visibility": "external",
         "mutability": "view",
         "signature": "getBroadcasts(string,uint64,uint8)",
@@ -5395,7 +5395,7 @@
       "func": {
         "id": "getBroadcasts_1",
         "description": "Returns all broadcasts for the given contract on `chainId`.\nSorted such that the most recent broadcast is the first element, and the oldest is the last. i.e descending order of BroadcastTxSummary.blockNumber.",
-        "declaration": "function getBroadcasts(string memory contractName, uint64 chainId) external view returns (BroadcastTxSummary[] memory);",
+        "declaration": "function getBroadcasts(string calldata contractName, uint64 chainId) external view returns (BroadcastTxSummary[] memory);",
         "visibility": "external",
         "mutability": "view",
         "signature": "getBroadcasts(string,uint64)",
@@ -5455,7 +5455,7 @@
       "func": {
         "id": "getDeployment_0",
         "description": "Returns the most recent deployment for the current `chainId`.",
-        "declaration": "function getDeployment(string memory contractName) external view returns (address deployedAddress);",
+        "declaration": "function getDeployment(string calldata contractName) external view returns (address deployedAddress);",
         "visibility": "external",
         "mutability": "view",
         "signature": "getDeployment(string)",
@@ -5475,7 +5475,7 @@
       "func": {
         "id": "getDeployment_1",
         "description": "Returns the most recent deployment for the given contract on `chainId`",
-        "declaration": "function getDeployment(string memory contractName, uint64 chainId) external view returns (address deployedAddress);",
+        "declaration": "function getDeployment(string calldata contractName, uint64 chainId) external view returns (address deployedAddress);",
         "visibility": "external",
         "mutability": "view",
         "signature": "getDeployment(string,uint64)",
@@ -5495,7 +5495,7 @@
       "func": {
         "id": "getDeployments",
         "description": "Returns all deployments for the given contract on `chainId`\nSorted in descending order of deployment time i.e descending order of BroadcastTxSummary.blockNumber.\nThe most recent deployment is the first element, and the oldest is the last.",
-        "declaration": "function getDeployments(string memory contractName, uint64 chainId) external view returns (address[] memory deployedAddresses);",
+        "declaration": "function getDeployments(string calldata contractName, uint64 chainId) external view returns (address[] memory deployedAddresses);",
         "visibility": "external",
         "mutability": "view",
         "signature": "getDeployments(string,uint64)",
@@ -8621,7 +8621,7 @@
       "func": {
         "id": "serializeJsonType_0",
         "description": "See `serializeJson`.",
-        "declaration": "function serializeJsonType(string calldata typeDescription, bytes memory value) external pure returns (string memory json);",
+        "declaration": "function serializeJsonType(string calldata typeDescription, bytes calldata value) external pure returns (string memory json);",
         "visibility": "external",
         "mutability": "pure",
         "signature": "serializeJsonType(string,bytes)",
@@ -8641,7 +8641,7 @@
       "func": {
         "id": "serializeJsonType_1",
         "description": "See `serializeJson`.",
-        "declaration": "function serializeJsonType(string calldata objectKey, string calldata valueKey, string calldata typeDescription, bytes memory value) external returns (string memory json);",
+        "declaration": "function serializeJsonType(string calldata objectKey, string calldata valueKey, string calldata typeDescription, bytes calldata value) external returns (string memory json);",
         "visibility": "external",
         "mutability": "",
         "signature": "serializeJsonType(string,string,string,bytes)",
diff --git a/crates/cheatcodes/spec/src/vm.rs b/crates/cheatcodes/spec/src/vm.rs
index e075438258d0..6b66d31ddb50 100644
--- a/crates/cheatcodes/spec/src/vm.rs
+++ b/crates/cheatcodes/spec/src/vm.rs
@@ -808,7 +808,7 @@ interface Vm {
 
     /// Gets all the logs according to specified filter.
     #[cheatcode(group = Evm, safety = Safe)]
-    function eth_getLogs(uint256 fromBlock, uint256 toBlock, address target, bytes32[] memory topics)
+    function eth_getLogs(uint256 fromBlock, uint256 toBlock, address target, bytes32[] calldata topics)
         external
         returns (EthGetLogs[] memory logs);
 
@@ -1764,27 +1764,27 @@ interface Vm {
     ///
     /// The most recent call can be fetched by passing `txType` as `CALL`.
     #[cheatcode(group = Filesystem)]
-    function getBroadcast(string memory contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary memory);
+    function getBroadcast(string calldata contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary memory);
 
     /// Returns all broadcasts for the given contract on `chainId` with the specified `txType`.
     ///
     /// Sorted such that the most recent broadcast is the first element, and the oldest is the last. i.e descending order of BroadcastTxSummary.blockNumber.
     #[cheatcode(group = Filesystem)]
-    function getBroadcasts(string memory contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary[] memory);
+    function getBroadcasts(string calldata contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary[] memory);
 
     /// Returns all broadcasts for the given contract on `chainId`.
     ///
     /// Sorted such that the most recent broadcast is the first element, and the oldest is the last. i.e descending order of BroadcastTxSummary.blockNumber.
     #[cheatcode(group = Filesystem)]
-    function getBroadcasts(string memory contractName, uint64 chainId) external view returns (BroadcastTxSummary[] memory);
+    function getBroadcasts(string calldata contractName, uint64 chainId) external view returns (BroadcastTxSummary[] memory);
 
     /// Returns the most recent deployment for the current `chainId`.
     #[cheatcode(group = Filesystem)]
-    function getDeployment(string memory contractName) external view returns (address deployedAddress);
+    function getDeployment(string calldata contractName) external view returns (address deployedAddress);
 
     /// Returns the most recent deployment for the given contract on `chainId`
     #[cheatcode(group = Filesystem)]
-    function getDeployment(string memory contractName, uint64 chainId) external view returns (address deployedAddress);
+    function getDeployment(string calldata contractName, uint64 chainId) external view returns (address deployedAddress);
 
     /// Returns all deployments for the given contract on `chainId`
     ///
@@ -1792,7 +1792,7 @@ interface Vm {
     ///
     /// The most recent deployment is the first element, and the oldest is the last.
     #[cheatcode(group = Filesystem)]
-    function getDeployments(string memory contractName, uint64 chainId) external view returns (address[] memory deployedAddresses);
+    function getDeployments(string calldata contractName, uint64 chainId) external view returns (address[] memory deployedAddresses);
 
     // -------- Foreign Function Interface --------
 
@@ -2298,13 +2298,13 @@ interface Vm {
         returns (string memory json);
     /// See `serializeJson`.
     #[cheatcode(group = Json)]
-    function serializeJsonType(string calldata typeDescription, bytes memory value)
+    function serializeJsonType(string calldata typeDescription, bytes calldata value)
         external
         pure
         returns (string memory json);
     /// See `serializeJson`.
     #[cheatcode(group = Json)]
-    function serializeJsonType(string calldata objectKey, string calldata valueKey, string calldata typeDescription, bytes memory value)
+    function serializeJsonType(string calldata objectKey, string calldata valueKey, string calldata typeDescription, bytes calldata value)
         external
         returns (string memory json);
 
diff --git a/crates/macros/src/cheatcodes.rs b/crates/macros/src/cheatcodes.rs
index d9c2d2c91435..4d0f260c294b 100644
--- a/crates/macros/src/cheatcodes.rs
+++ b/crates/macros/src/cheatcodes.rs
@@ -58,6 +58,17 @@ fn derive_call(name: &Ident, data: &DataStruct, attrs: &[Attribute]) -> Result<T
     let doc = get_docstring(attrs);
     let (signature, selector, declaration, description) = func_docstring(&doc);
 
+    let mut params = declaration;
+    if let Some(ret) = params.find(" returns ") {
+        params = &params[..ret];
+    }
+    if params.contains(" memory ") {
+        emit_warning!(
+            name.span(),
+            "parameter data locations must be `calldata` instead of `memory`"
+        );
+    }
+
     let (visibility, mutability) = parse_function_attrs(declaration, name.span())?;
     let visibility = Ident::new(visibility, Span::call_site());
     let mutability = Ident::new(mutability, Span::call_site());
diff --git a/testdata/cheats/Vm.sol b/testdata/cheats/Vm.sol
index 682b5867197b..f6f66969f99f 100644
--- a/testdata/cheats/Vm.sol
+++ b/testdata/cheats/Vm.sol
@@ -224,7 +224,7 @@ interface Vm {
     function envUint(string calldata name) external view returns (uint256 value);
     function envUint(string calldata name, string calldata delim) external view returns (uint256[] memory value);
     function etch(address target, bytes calldata newRuntimeBytecode) external;
-    function eth_getLogs(uint256 fromBlock, uint256 toBlock, address target, bytes32[] memory topics) external returns (EthGetLogs[] memory logs);
+    function eth_getLogs(uint256 fromBlock, uint256 toBlock, address target, bytes32[] calldata topics) external returns (EthGetLogs[] memory logs);
     function exists(string calldata path) external view returns (bool result);
     function expectCallMinGas(address callee, uint256 msgValue, uint64 minGas, bytes calldata data) external;
     function expectCallMinGas(address callee, uint256 msgValue, uint64 minGas, bytes calldata data, uint64 count) external;
@@ -261,14 +261,14 @@ interface Vm {
     function getBlobhashes() external view returns (bytes32[] memory hashes);
     function getBlockNumber() external view returns (uint256 height);
     function getBlockTimestamp() external view returns (uint256 timestamp);
-    function getBroadcast(string memory contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary memory);
-    function getBroadcasts(string memory contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary[] memory);
-    function getBroadcasts(string memory contractName, uint64 chainId) external view returns (BroadcastTxSummary[] memory);
+    function getBroadcast(string calldata contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary memory);
+    function getBroadcasts(string calldata contractName, uint64 chainId, BroadcastTxType txType) external view returns (BroadcastTxSummary[] memory);
+    function getBroadcasts(string calldata contractName, uint64 chainId) external view returns (BroadcastTxSummary[] memory);
     function getCode(string calldata artifactPath) external view returns (bytes memory creationBytecode);
     function getDeployedCode(string calldata artifactPath) external view returns (bytes memory runtimeBytecode);
-    function getDeployment(string memory contractName) external view returns (address deployedAddress);
-    function getDeployment(string memory contractName, uint64 chainId) external view returns (address deployedAddress);
-    function getDeployments(string memory contractName, uint64 chainId) external view returns (address[] memory deployedAddresses);
+    function getDeployment(string calldata contractName) external view returns (address deployedAddress);
+    function getDeployment(string calldata contractName, uint64 chainId) external view returns (address deployedAddress);
+    function getDeployments(string calldata contractName, uint64 chainId) external view returns (address[] memory deployedAddresses);
     function getFoundryVersion() external view returns (string memory version);
     function getLabel(address account) external view returns (string memory currentLabel);
     function getMappingKeyAndParentOf(address target, bytes32 elementSlot) external returns (bool found, bytes32 key, bytes32 parent);
@@ -424,8 +424,8 @@ interface Vm {
     function serializeInt(string calldata objectKey, string calldata valueKey, int256 value) external returns (string memory json);
     function serializeInt(string calldata objectKey, string calldata valueKey, int256[] calldata values) external returns (string memory json);
     function serializeJson(string calldata objectKey, string calldata value) external returns (string memory json);
-    function serializeJsonType(string calldata typeDescription, bytes memory value) external pure returns (string memory json);
-    function serializeJsonType(string calldata objectKey, string calldata valueKey, string calldata typeDescription, bytes memory value) external returns (string memory json);
+    function serializeJsonType(string calldata typeDescription, bytes calldata value) external pure returns (string memory json);
+    function serializeJsonType(string calldata objectKey, string calldata valueKey, string calldata typeDescription, bytes calldata value) external returns (string memory json);
     function serializeString(string calldata objectKey, string calldata valueKey, string calldata value) external returns (string memory json);
     function serializeString(string calldata objectKey, string calldata valueKey, string[] calldata values) external returns (string memory json);
     function serializeUintToHex(string calldata objectKey, string calldata valueKey, uint256 value) external returns (string memory json);