diff --git a/.travis.yml b/.travis.yml
index deb7a8d51..b9de5c055 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,6 @@ script:
 - cargo test --release -p ethash --verbose
 - cargo test --release -p ethcore-util --verbose
 - cargo test --release -p ethcore --verbose
-- cargo test --release -p ethcore-rpc --verbose
 - cargo test --release --verbose
 - cargo bench --no-run
 after_success: |
diff --git a/util/src/uint.rs b/util/src/uint.rs
index de05ca4a8..7eee6029e 100644
--- a/util/src/uint.rs
+++ b/util/src/uint.rs
@@ -1217,6 +1217,8 @@ mod tests {
 
 	#[test]
 	#[should_panic]
+	// overflows panic only in debug builds. Running this test with `--release` flag, always fails
+	#[ignore]
 	pub fn uint128_add_overflow_panic() {
 		U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
 		+