diff --git a/contracts/icp/proxy-contract/mock/external/build.sh b/contracts/icp/proxy-contract/mock/external/build.sh
index f331d6cd7..613f17863 100755
--- a/contracts/icp/proxy-contract/mock/external/build.sh
+++ b/contracts/icp/proxy-contract/mock/external/build.sh
@@ -3,7 +3,7 @@ set -e
 
 cd "$(dirname $0)"
 
-TARGET="${CARGO_TARGET_DIR:-../../../../../target}"
+TARGET="${CARGO_TARGET_DIR:-./target}"
 
 rustup target add wasm32-unknown-unknown
 
@@ -15,4 +15,4 @@ cp $TARGET/wasm32-unknown-unknown/app-release/mock_external.wasm ./res/
 
 if command -v wasm-opt > /dev/null; then
   wasm-opt -Oz ./res/mock_external.wasm -o ./res/mock_external.wasm
-fi
+fi
\ No newline at end of file
diff --git a/contracts/icp/proxy-contract/mock/ledger/build.sh b/contracts/icp/proxy-contract/mock/ledger/build.sh
index e9951e81c..a69571178 100755
--- a/contracts/icp/proxy-contract/mock/ledger/build.sh
+++ b/contracts/icp/proxy-contract/mock/ledger/build.sh
@@ -3,7 +3,7 @@ set -e
 
 cd "$(dirname $0)"
 
-TARGET="${CARGO_TARGET_DIR:-../../../../../target}"
+TARGET="${CARGO_TARGET_DIR:-./target}"
 
 rustup target add wasm32-unknown-unknown
 
diff --git a/contracts/icp/proxy-contract/mock/ledger/src/lib.rs b/contracts/icp/proxy-contract/mock/ledger/src/lib.rs
index c0661a9dd..ca175156e 100644
--- a/contracts/icp/proxy-contract/mock/ledger/src/lib.rs
+++ b/contracts/icp/proxy-contract/mock/ledger/src/lib.rs
@@ -1,9 +1,7 @@
 use std::cell::RefCell;
 
 use candid::{CandidType, Deserialize};
-use ic_ledger_types::{
-    AccountIdentifier, BlockIndex, Tokens, TransferArgs, TransferError,
-};
+use ic_ledger_types::{AccountIdentifier, BlockIndex, Tokens, TransferArgs, TransferError};
 
 thread_local! {
     static BALANCE: RefCell<u64> = RefCell::new(1_000_000_000);