diff --git a/infer/tests/codetoanalyze/java/impurity/PurityModeled.java b/infer/tests/codetoanalyze/java/impurity/PurityModeled.java
index 81f733689..1142b30bf 100644
--- a/infer/tests/codetoanalyze/java/impurity/PurityModeled.java
+++ b/infer/tests/codetoanalyze/java/impurity/PurityModeled.java
@@ -131,6 +131,7 @@ class PurityModeled {
     for (Color c : Color.values()) {}
   }
 
+  @SuppressWarnings("unchecked")
   void clone_pure(ArrayList<String> list) {
     ArrayList<String> cloned = (ArrayList<String>) list.clone();
     cloned.add(""); // no change the list
diff --git a/infer/tests/codetoanalyze/java/performance/ArrayListTest.java b/infer/tests/codetoanalyze/java/performance/ArrayListTest.java
index 9d00f1c91..7a198bf72 100644
--- a/infer/tests/codetoanalyze/java/performance/ArrayListTest.java
+++ b/infer/tests/codetoanalyze/java/performance/ArrayListTest.java
@@ -294,7 +294,7 @@ public class ArrayListTest {
     }
   }
 
-  ArrayList<Elt> arr = new ArrayList();
+  ArrayList<Elt> arr = new ArrayList<Elt>();
 
   void boolean_control_var_linear() {
     for (int i = 0; i < arr.size(); i++) {
diff --git a/infer/tests/codetoanalyze/java/purity/PurityModeled.java b/infer/tests/codetoanalyze/java/purity/PurityModeled.java
index ce402e104..989753717 100644
--- a/infer/tests/codetoanalyze/java/purity/PurityModeled.java
+++ b/infer/tests/codetoanalyze/java/purity/PurityModeled.java
@@ -28,6 +28,7 @@ class PurityModeled {
     for (Color c : Color.values()) {}
   }
 
+  @SuppressWarnings("unchecked")
   void clone_pure(ArrayList<String> list) {
     ArrayList<String> cloned = (ArrayList<String>) list.clone();
     cloned.add(""); // no change the list