diff --git a/contracts/foundry/foundrylike/src/test_adder.rs b/contracts/foundry/foundrylike/src/test_adder.rs
index 48cfb1b82d..499a07aacc 100644
--- a/contracts/foundry/foundrylike/src/test_adder.rs
+++ b/contracts/foundry/foundrylike/src/test_adder.rs
@@ -89,7 +89,7 @@ pub trait TestAdder {
         let adder = self.adder_address().get();
 
         let mut adder_init_args = ManagedArgBuffer::new();
-        adder_init_args.push_arg(&value); // initial sum
+        adder_init_args.push_arg(value); // initial sum
 
         // start a prank and call 'adder' from 'owner'
         self.test_raw().start_prank(&owner);
@@ -102,9 +102,8 @@ pub trait TestAdder {
         );
         self.test_raw().stop_prank();
 
-        match res {
-            Result::Err(_) => panic!("call failed"),
-            Result::Ok(_) => (),
-        };
+        if res.is_err() {
+            panic!("call failed");
+        }
     }
 }
diff --git a/contracts/foundry/test_multisig/src/test_multisig.rs b/contracts/foundry/test_multisig/src/test_multisig.rs
index 0baf5eb0c8..87f58e22fe 100644
--- a/contracts/foundry/test_multisig/src/test_multisig.rs
+++ b/contracts/foundry/test_multisig/src/test_multisig.rs
@@ -54,14 +54,14 @@ pub trait TestMultisigContract {
     fn get_quorum(&self, multisig: &ManagedAddress) -> BigUint {
         let bs = self
             .test_raw()
-            .get_storage(&multisig, &ManagedBuffer::from(b"quorum"));
+            .get_storage(multisig, &ManagedBuffer::from(b"quorum"));
         BigUint::from(bs)
     }
 
     fn get_num_board_members(&self, multisig: &ManagedAddress) -> BigUint {
         let bs = self
             .test_raw()
-            .get_storage(&multisig, &ManagedBuffer::from(b"num_board_members"));
+            .get_storage(multisig, &ManagedBuffer::from(b"num_board_members"));
         BigUint::from(bs)
     }
 
@@ -92,9 +92,9 @@ pub trait TestMultisigContract {
         let mut args = ManagedArgBuffer::new();
         args.push_arg(value);
 
-        self.test_raw().start_prank(&proposer);
+        self.test_raw().start_prank(proposer);
         let _ = self.send_raw().direct_egld_execute(
-            &multisig,
+            multisig,
             &BigUint::from(0u32),
             5000000,
             &ManagedBuffer::from(b"proposeChangeQuorum"),
@@ -109,7 +109,7 @@ pub trait TestMultisigContract {
 
         self.test_raw().start_prank(signer);
         let _ = self.send_raw().direct_egld_execute(
-            &multisig,
+            multisig,
             &BigUint::from(0u32),
             5000000,
             &ManagedBuffer::from(b"sign"),
@@ -124,7 +124,7 @@ pub trait TestMultisigContract {
 
         self.test_raw().start_prank(performer);
         let _ = self.send_raw().direct_egld_execute(
-            &multisig,
+            multisig,
             &BigUint::from(0u32),
             5000000,
             &ManagedBuffer::from(b"performAction"),
diff --git a/vm/src/mem_conv.rs b/vm/src/mem_conv.rs
index d292dfbd10..eb8c46de59 100644
--- a/vm/src/mem_conv.rs
+++ b/vm/src/mem_conv.rs
@@ -7,7 +7,6 @@ where
     f(bytes.as_ptr() as MemPtr, bytes.len() as MemLength)
 }
 
-#[allow(clippy::needless_pass_by_ref_mut)]
 pub fn with_mem_ptr_mut<F, R>(bytes: &mut [u8], f: F) -> R
 where
     F: FnOnce(MemPtr, MemLength) -> R,