diff --git a/util/src/keys/geth_import.rs b/util/src/keys/geth_import.rs
index dbd9f0fe0..6c684c37d 100644
--- a/util/src/keys/geth_import.rs
+++ b/util/src/keys/geth_import.rs
@@ -161,6 +161,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature="heavy-tests")]
 	fn can_decrypt_with_imported() {
 		use keys::store::EncryptedHashMap;
 
diff --git a/util/src/keys/store.rs b/util/src/keys/store.rs
index 6a5efc87d..f80d91123 100644
--- a/util/src/keys/store.rs
+++ b/util/src/keys/store.rs
@@ -363,6 +363,7 @@ mod vector_tests {
 
 
 	#[test]
+	#[cfg(feature="heavy-tests")]
 	fn mac_vector() {
 		let password = "testpassword";
 		let salt = H256::from_str("ae3cd4e7013836a3df6bd7241b12db061dbe2c6785853cce422d148a624ce0bd").unwrap();
@@ -464,6 +465,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature="heavy-tests")]
 	fn can_get() {
 		let temp = RandomTempPath::create_dir();
 		let key_id = {