diff --git a/src/main/java/org/cactoos/scalar/And.java b/src/main/java/org/cactoos/scalar/And.java
index ba2d370f32..dd33598d18 100644
--- a/src/main/java/org/cactoos/scalar/And.java
+++ b/src/main/java/org/cactoos/scalar/And.java
@@ -91,7 +91,8 @@ public <X> And(final Func<X, Boolean> func, final X... src) {
     public <X> And(final Func<X, Boolean> func, final Iterable<X> src) {
         this(
             new Mapped<>(
-                item -> (Scalar<Boolean>) () -> func.apply(item), src
+                item -> new ScalarOf<>(() -> func.apply(item)),
+                src
             )
         );
     }
@@ -118,7 +119,7 @@ public <X> And(final X subject, final Func<X, Boolean>... conditions) {
     public <X> And(final X subject, final Iterable<Func<X, Boolean>> conditions) {
         this(
             new Mapped<>(
-                item -> (Scalar<Boolean>) () -> item.apply(subject),
+                item -> new ScalarOf<>(() -> item.apply(subject)),
                 conditions
             )
         );
diff --git a/src/main/java/org/cactoos/scalar/AndInThreads.java b/src/main/java/org/cactoos/scalar/AndInThreads.java
index 37d896d1ef..90b226844c 100644
--- a/src/main/java/org/cactoos/scalar/AndInThreads.java
+++ b/src/main/java/org/cactoos/scalar/AndInThreads.java
@@ -92,7 +92,8 @@ public <X> AndInThreads(final Func<X, Boolean> func,
         final Iterable<X> src) {
         this(
             new Mapped<>(
-                item -> (Scalar<Boolean>) () -> func.apply(item), src
+                item -> new ScalarOf<>(() -> func.apply(item)),
+                src
             )
         );
     }
@@ -164,7 +165,8 @@ public <X> AndInThreads(final ExecutorService svc,
         this(
             svc,
             new Mapped<>(
-                item -> (Scalar<Boolean>) () -> func.apply(item), src
+                item -> new ScalarOf<>(() -> func.apply(item)),
+                src
             )
         );
     }
@@ -210,7 +212,7 @@ public Boolean value() throws Exception {
             futures.add(this.service.submit(item::value));
         }
         final boolean result = new And(
-            (Func<Future<Boolean>, Boolean>) Future::get,
+            Future::get,
             futures
         ).value();
         if (this.shut) {
diff --git a/src/main/java/org/cactoos/scalar/AndWithIndex.java b/src/main/java/org/cactoos/scalar/AndWithIndex.java
index a1f9103dc6..7997202872 100644
--- a/src/main/java/org/cactoos/scalar/AndWithIndex.java
+++ b/src/main/java/org/cactoos/scalar/AndWithIndex.java
@@ -29,6 +29,7 @@
 import org.cactoos.Proc;
 import org.cactoos.Scalar;
 import org.cactoos.func.BiFuncOf;
+import org.cactoos.func.FuncOf;
 import org.cactoos.iterable.IterableOf;
 import org.cactoos.iterable.Mapped;
 
@@ -115,8 +116,8 @@ public <X> AndWithIndex(final BiFunc<X, Integer, Boolean> func,
         final Iterable<X> src) {
         this(
             new Mapped<>(
-                item -> (Func<Integer, Boolean>) input
-                    -> func.apply(item, input), src
+                item -> new FuncOf<>(input -> func.apply(item, input)),
+                src
             )
         );
     }
diff --git a/src/main/java/org/cactoos/scalar/Or.java b/src/main/java/org/cactoos/scalar/Or.java
index c3438938ca..fefb1fc8ab 100644
--- a/src/main/java/org/cactoos/scalar/Or.java
+++ b/src/main/java/org/cactoos/scalar/Or.java
@@ -125,7 +125,8 @@ public <X> Or(final Proc<X> proc, final Iterable<X> src) {
     public <X> Or(final Func<X, Boolean> func, final Iterable<X> src) {
         this(
             new Mapped<>(
-                item -> (Scalar<Boolean>) () -> func.apply(item), src
+                item -> new ScalarOf<>(() -> func.apply(item)),
+                src
             )
         );
     }
@@ -140,7 +141,7 @@ public <X> Or(final Func<X, Boolean> func, final Iterable<X> src) {
     public <X> Or(final X subject, final Func<X, Boolean>... conditions) {
         this(
             new Mapped<>(
-                item -> (Scalar<Boolean>) () -> item.apply(subject),
+                item -> new ScalarOf<>(() -> item.apply(subject)),
                 new IterableOf<>(conditions)
             )
         );