diff --git a/src/main/java/org/cactoos/list/ListOf.java b/src/main/java/org/cactoos/list/ListOf.java
index 8c3a339bde..54f97192d0 100644
--- a/src/main/java/org/cactoos/list/ListOf.java
+++ b/src/main/java/org/cactoos/list/ListOf.java
@@ -61,15 +61,6 @@ public ListOf(final T... array) {
         this(new IterableOf<>(array));
     }
 
-    /**
-     * Ctor.
-     * @param src An {@link Iterator}
-     * @since 0.21
-     */
-    public ListOf(final Iterator<T> src) {
-        this(() -> src);
-    }
-
     /**
      * Ctor.
      * @param src An {@link Iterable}
diff --git a/src/main/java/org/cactoos/list/Shuffled.java b/src/main/java/org/cactoos/list/Shuffled.java
index 902a9e66d2..8fb94b4b19 100644
--- a/src/main/java/org/cactoos/list/Shuffled.java
+++ b/src/main/java/org/cactoos/list/Shuffled.java
@@ -57,14 +57,6 @@ public Shuffled(final T... src) {
         this(new ListOf<>(src));
     }
 
-    /**
-     * Ctor.
-     * @param src The underlying collection
-     */
-    public Shuffled(final Iterator<T> src) {
-        this(() -> src);
-    }
-
     /**
      * Ctor.
      * @param src The underlying collection
diff --git a/src/main/java/org/cactoos/list/SolidList.java b/src/main/java/org/cactoos/list/SolidList.java
index 1718cc0629..a52d366a3b 100644
--- a/src/main/java/org/cactoos/list/SolidList.java
+++ b/src/main/java/org/cactoos/list/SolidList.java
@@ -50,15 +50,6 @@ public SolidList(final X... items) {
         this(new IterableOf<>(items));
     }
 
-    /**
-     * Ctor.
-     * @param items The array
-     * @since 0.21
-     */
-    public SolidList(final Iterator<X> items) {
-        this(new IterableOf<>(items));
-    }
-
     /**
      * Ctor.
      * @param items The array
diff --git a/src/main/java/org/cactoos/list/Sorted.java b/src/main/java/org/cactoos/list/Sorted.java
index df3a9ca0da..e2445dc85f 100644
--- a/src/main/java/org/cactoos/list/Sorted.java
+++ b/src/main/java/org/cactoos/list/Sorted.java
@@ -58,20 +58,6 @@ public Sorted(final T... src) {
         this(new ListOf<>(src));
     }
 
-    /**
-     * Ctor.
-     *
-     * <p>If you're using this ctor you must be sure that type {@code T}
-     * implements {@link Comparable} interface. Otherwise, there will be
-     * a type casting exception in runtime.</p>
-     *
-     * @param src The underlying collection
-     * @since 0.21
-     */
-    public Sorted(final Iterator<T> src) {
-        this(() -> src);
-    }
-
     /**
      * Ctor.
      *
diff --git a/src/main/java/org/cactoos/list/StickyList.java b/src/main/java/org/cactoos/list/StickyList.java
index e85fb6107f..4d01964e41 100644
--- a/src/main/java/org/cactoos/list/StickyList.java
+++ b/src/main/java/org/cactoos/list/StickyList.java
@@ -62,15 +62,6 @@ public StickyList(final Iterable<X> items) {
         this(new ListOf<>(items));
     }
 
-    /**
-     * Ctor.
-     * @param items The array
-     * @since 0.21
-     */
-    public StickyList(final Iterator<X> items) {
-        this(new ListOf<>(items));
-    }
-
     /**
      * Ctor.
      * @param list The iterable
diff --git a/src/main/java/org/cactoos/list/SyncList.java b/src/main/java/org/cactoos/list/SyncList.java
index 3c09123afc..cf85305a01 100644
--- a/src/main/java/org/cactoos/list/SyncList.java
+++ b/src/main/java/org/cactoos/list/SyncList.java
@@ -69,15 +69,6 @@ public SyncList(final Iterable<X> items) {
         this(new ListOf<>(items));
     }
 
-    /**
-     * Ctor.
-     * @param items The array
-     * @since 0.21
-     */
-    public SyncList(final Iterator<X> items) {
-        this(new ListOf<>(items));
-    }
-
     /**
      * Ctor.
      * @param list The iterable
diff --git a/src/main/java/org/cactoos/map/MapOf.java b/src/main/java/org/cactoos/map/MapOf.java
index 4df3e6b7cf..8c626b6556 100644
--- a/src/main/java/org/cactoos/map/MapOf.java
+++ b/src/main/java/org/cactoos/map/MapOf.java
@@ -146,14 +146,6 @@ public MapOf(final Map<X, Y> src,
         );
     }
 
-    /**
-     * Ctor.
-     * @param entries List of the entries
-     */
-    public MapOf(final Iterator<Map.Entry<X, Y>> entries) {
-        this(() -> entries);
-    }
-
     /**
      * Ctor.
      * @param entries List of the entries
diff --git a/src/main/java/org/cactoos/map/SolidMap.java b/src/main/java/org/cactoos/map/SolidMap.java
index 80d4aadc47..9c32b3ee97 100644
--- a/src/main/java/org/cactoos/map/SolidMap.java
+++ b/src/main/java/org/cactoos/map/SolidMap.java
@@ -136,14 +136,6 @@ public SolidMap(final Iterable<Map.Entry<X, Y>> list) {
         this(new MapOf<>(list));
     }
 
-    /**
-     * Ctor.
-     * @param list Entries for the entries
-     */
-    public SolidMap(final Iterator<Map.Entry<X, Y>> list) {
-        this(() -> list);
-    }
-
     /**
      * Ctor.
      * @param map Pre-existing map we want to extend
diff --git a/src/main/java/org/cactoos/map/StickyMap.java b/src/main/java/org/cactoos/map/StickyMap.java
index 3e34bd3d89..bd2700ca0e 100644
--- a/src/main/java/org/cactoos/map/StickyMap.java
+++ b/src/main/java/org/cactoos/map/StickyMap.java
@@ -145,15 +145,6 @@ public StickyMap(final Iterable<Map.Entry<X, Y>> list) {
         this(new MapOf<>(list));
     }
 
-    /**
-     * Ctor.
-     * @param list Entries for the entries
-     * @since 0.21
-     */
-    public StickyMap(final Iterator<Map.Entry<X, Y>> list) {
-        this(() -> list);
-    }
-
     /**
      * Ctor.
      * @param map Pre-existing map we want to extend
diff --git a/src/main/java/org/cactoos/map/SyncMap.java b/src/main/java/org/cactoos/map/SyncMap.java
index 14b3387978..bf5915c2e8 100644
--- a/src/main/java/org/cactoos/map/SyncMap.java
+++ b/src/main/java/org/cactoos/map/SyncMap.java
@@ -138,14 +138,6 @@ public SyncMap(final Iterable<Map.Entry<X, Y>> list) {
         this(new MapOf<>(list));
     }
 
-    /**
-     * Ctor.
-     * @param list Entries for the entries
-     */
-    public SyncMap(final Iterator<Map.Entry<X, Y>> list) {
-        this(() -> list);
-    }
-
     /**
      * Ctor.
      * @param map Pre-existing map we want to extend
diff --git a/src/main/java/org/cactoos/scalar/ItemAt.java b/src/main/java/org/cactoos/scalar/ItemAt.java
index fa2cf46990..d622b213b0 100644
--- a/src/main/java/org/cactoos/scalar/ItemAt.java
+++ b/src/main/java/org/cactoos/scalar/ItemAt.java
@@ -106,17 +106,6 @@ public ItemAt(final int position, final Iterable<T> source) {
         );
     }
 
-    /**
-     * Ctor.
-     *
-     * @param position Position
-     * @param source Iterable
-     * @since 0.21
-     */
-    public ItemAt(final int position, final Iterator<T> source) {
-        this(position, () -> source);
-    }
-
     /**
      * Ctor.
      *
@@ -132,79 +121,6 @@ public ItemAt(
         this(new StickyScalar<>(source::iterator), position, fallback);
     }
 
-    /**
-     * Ctor.
-     *
-     * @param iterator Iterator
-     */
-    public ItemAt(final Iterator<T> iterator) {
-        this(
-            iterator,
-            itr -> {
-                throw new IOException("Iterator is empty");
-            }
-        );
-    }
-
-    /**
-     * Ctor.
-     *
-     * @param iterator Iterator
-     * @param fallback Fallback value
-     */
-    public ItemAt(final Iterator<T> iterator, final T fallback) {
-        this(iterator, itr -> fallback);
-    }
-
-    /**
-     * Ctor.
-     *
-     * @param iterator Iterator
-     * @param fallback Fallback value
-     */
-    public ItemAt(
-        final Iterator<T> iterator,
-        final Func<Iterable<T>, T> fallback
-    ) {
-        this(iterator, 0, fallback);
-    }
-
-    /**
-     * Ctor.
-     *
-     * @param iterator Iterator
-     * @param position Position
-     */
-    public ItemAt(final Iterator<T> iterator, final int position) {
-        this(
-            iterator,
-            position,
-            itr -> {
-                throw new IOException(
-                    new FormattedText(
-                        "Iterator doesn't have an element at #%d position",
-                        position
-                    ).asString()
-                );
-            }
-        );
-    }
-
-    /**
-     * Ctor.
-     *
-     * @param iterator Iterator
-     * @param position Position
-     * @param fallback Fallback value
-     */
-    public ItemAt(
-        final Iterator<T> iterator,
-        final int position,
-        final Func<Iterable<T>, T> fallback
-    ) {
-        this(new StickyScalar<>(() -> iterator), position, fallback);
-    }
-
     /**
      * Ctor.
      *
diff --git a/src/main/java/org/cactoos/scalar/Or.java b/src/main/java/org/cactoos/scalar/Or.java
index 35cd0db636..50db589335 100644
--- a/src/main/java/org/cactoos/scalar/Or.java
+++ b/src/main/java/org/cactoos/scalar/Or.java
@@ -23,7 +23,6 @@
  */
 package org.cactoos.scalar;
 
-import java.util.Iterator;
 import org.cactoos.Func;
 import org.cactoos.Proc;
 import org.cactoos.Scalar;
@@ -74,17 +73,6 @@ public <X> Or(final Func<X, Boolean> func, final X... src) {
         this(func, new IterableOf<>(src));
     }
 
-    /**
-     * Ctor.
-     * @param src The iterable
-     * @param proc Proc to use
-     * @param <X> Type of items in the iterable
-     * @since 0.24
-     */
-    public <X> Or(final Proc<X> proc, final Iterator<X> src) {
-        this(proc, new IterableOf<>(src));
-    }
-
     /**
      * Ctor.
      * @param src The iterable
@@ -96,17 +84,6 @@ public <X> Or(final Proc<X> proc, final Iterable<X> src) {
         this(new FuncOf<>(proc, false), src);
     }
 
-    /**
-     * Ctor.
-     * @param src The iterable
-     * @param func Func to map
-     * @param <X> Type of items in the iterable
-     * @since 0.24
-     */
-    public <X> Or(final Func<X, Boolean> func, final Iterator<X> src) {
-        this(func, new IterableOf<>(src));
-    }
-
     /**
      * Ctor.
      * @param src The iterable
@@ -130,15 +107,6 @@ public Or(final Scalar<Boolean>... scalar) {
         this(new IterableOf<>(scalar));
     }
 
-    /**
-     * Ctor.
-     * @param iterable The iterable.
-     * @since 0.24
-     */
-    public Or(final Iterator<Scalar<Boolean>> iterable) {
-        this(new IterableOf<>(iterable));
-    }
-
     /**
      * Ctor.
      * @param iterable The iterable.