diff --git a/model/src/main/java/jetbrains/jetpad/model/composite/Composites.java b/model/src/main/java/jetbrains/jetpad/model/composite/Composites.java
index 2af50001..79be097b 100644
--- a/model/src/main/java/jetbrains/jetpad/model/composite/Composites.java
+++ b/model/src/main/java/jetbrains/jetpad/model/composite/Composites.java
@@ -44,14 +44,16 @@ public boolean test(HasVisibility value) {
     }
   };
 
-  @SuppressWarnings("unchecked")
   public static <HasParentT extends HasParent<HasParentT> & HasFocusability> Predicate<HasParentT> isFocusable() {
-    return (Predicate<HasParentT>) IS_FOCUSABLE;
+    @SuppressWarnings("unchecked")
+    Predicate<HasParentT> predicate = (Predicate<HasParentT>) IS_FOCUSABLE;
+    return predicate;
   }
 
-  @SuppressWarnings("unchecked")
   public static <HasParentT extends HasParent<HasParentT> & HasVisibility> Predicate<HasParentT> isInvisible() {
-    return (Predicate<HasParentT>) IS_INVISIBLE;
+    @SuppressWarnings("unchecked")
+    Predicate<HasParentT> predicate = (Predicate<HasParentT>) IS_INVISIBLE;
+    return predicate;
   }
 
   public static <CompositeT extends Composite<CompositeT>>
diff --git a/model/src/test/java/jetbrains/jetpad/model/collections/SelectTest.java b/model/src/test/java/jetbrains/jetpad/model/collections/SelectTest.java
index bda48f01..18bfd6f3 100644
--- a/model/src/test/java/jetbrains/jetpad/model/collections/SelectTest.java
+++ b/model/src/test/java/jetbrains/jetpad/model/collections/SelectTest.java
@@ -199,9 +199,9 @@ private void testNonListened(Property<Boolean> src,
     assertEquals(0, res.size());
   }
 
-  @SuppressWarnings("unchecked")
   private void testListened(Property<Boolean> src,
       ObservableCollection<String> selected, ObservableCollection<String> res) {
+    @SuppressWarnings("unchecked")
     CollectionListener<String> mock = mock(CollectionListener.class);
     res.addListener(mock);
 
@@ -223,12 +223,12 @@ private void testListened(Property<Boolean> src,
     assertEquals(0, res.size());
   }
 
-  @SuppressWarnings("unchecked")
   private void testRegistrations(Property<Boolean> src, ObservableCollection<String> res,
       AtomicInteger propertyListeners, AtomicInteger collectionListeners) {
     assertEquals(0, propertyListeners.get());
     assertEquals(0, collectionListeners.get());
 
+    @SuppressWarnings("unchecked")
     CollectionListener<String> mock = mock(CollectionListener.class);
     Registration mockReg = res.addListener(mock);
     assertEquals(1, propertyListeners.get());
diff --git a/util/base/src/main/java/jetbrains/jetpad/base/Functions.java b/util/base/src/main/java/jetbrains/jetpad/base/Functions.java
index 3313c991..e321e491 100644
--- a/util/base/src/main/java/jetbrains/jetpad/base/Functions.java
+++ b/util/base/src/main/java/jetbrains/jetpad/base/Functions.java
@@ -66,14 +66,16 @@ public static <ItemT> Supplier<ItemT> memorize(Supplier<ItemT> supplier) {
     return new Memo<>(supplier);
   }
 
-  @SuppressWarnings("unchecked")
   public static <ArgT> Predicate<ArgT> alwaysTrue() {
-    return (Predicate<ArgT>) TRUE_PREDICATE;
+    @SuppressWarnings("unchecked")
+    Predicate<ArgT> predicate = (Predicate<ArgT>) TRUE_PREDICATE;
+    return predicate;
   }
 
-  @SuppressWarnings("unchecked")
   public static <ArgT> Predicate<ArgT> alwaysFalse() {
-    return (Predicate<ArgT>) FALSE_PREDICATE;
+    @SuppressWarnings("unchecked")
+    Predicate<ArgT> predicate = (Predicate<ArgT>) FALSE_PREDICATE;
+    return predicate;
   }
 
   public static <ArgT, ResultT> Function<ArgT, ResultT> constant(final ResultT result) {
@@ -85,19 +87,22 @@ public ResultT apply(ArgT a) {
     };
   }
 
-  @SuppressWarnings("unchecked")
   public static <ArgT> Predicate<ArgT> isNull() {
-    return (Predicate<ArgT>) NULL_PREDICATE;
+    @SuppressWarnings("unchecked")
+    Predicate<ArgT> predicate = (Predicate<ArgT>) NULL_PREDICATE;
+    return predicate;
   }
 
-  @SuppressWarnings("unchecked")
   public static <ArgT> Predicate<ArgT> isNotNull() {
-    return (Predicate<ArgT>) NOT_NULL_PREDICATE;
+    @SuppressWarnings("unchecked")
+    Predicate<ArgT> predicate = (Predicate<ArgT>) NOT_NULL_PREDICATE;
+    return predicate;
   }
 
-  @SuppressWarnings("unchecked")
   public static <ValueT> Function<ValueT, ValueT> identity() {
-    return (Function<ValueT, ValueT>) IDENTITY_FUNCTION;
+    @SuppressWarnings("unchecked")
+    Function<ValueT, ValueT> function = (Function<ValueT, ValueT>) IDENTITY_FUNCTION;
+    return function;
   }
 
   public static <ValueT> Predicate<ValueT> same(final Object value) {
diff --git a/util/java8adapter/src/main/java/jetbrains/jetpad/java8adapter/Functions.java b/util/java8adapter/src/main/java/jetbrains/jetpad/java8adapter/Functions.java
index 2c45c83c..128f4d87 100644
--- a/util/java8adapter/src/main/java/jetbrains/jetpad/java8adapter/Functions.java
+++ b/util/java8adapter/src/main/java/jetbrains/jetpad/java8adapter/Functions.java
@@ -24,13 +24,15 @@ public final class Functions {
 
   private Functions() { }
 
-  @SuppressWarnings("unchecked")
   public static <ArgT> Predicate<ArgT> alwaysTrue() {
-    return (Predicate<ArgT>) TRUE_PREDICATE;
+    @SuppressWarnings("unchecked")
+    Predicate<ArgT> predicate = (Predicate<ArgT>) TRUE_PREDICATE;
+    return predicate;
   }
 
-  @SuppressWarnings("unchecked")
   public static <ArgT> Predicate<ArgT> alwaysFalse() {
-    return (Predicate<ArgT>) FALSE_PREDICATE;
+    @SuppressWarnings("unchecked")
+    Predicate<ArgT> predicate = (Predicate<ArgT>) FALSE_PREDICATE;
+    return predicate;
   }
 }
\ No newline at end of file