diff --git a/src/Illuminate/Support/Arr.php b/src/Illuminate/Support/Arr.php
index bcb1ad21f6ae..ff2d1b7e74f4 100755
--- a/src/Illuminate/Support/Arr.php
+++ b/src/Illuminate/Support/Arr.php
@@ -4,6 +4,9 @@
 
 use Illuminate\Collections\Arr as BaseArr;
 
+/**
+ * @deprecated Will be removed in a future Laravel version.
+ */
 class Arr extends BaseArr
 {
     //
diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index 6fc9f640e928..bebca299dce9 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -4,6 +4,9 @@
 
 use Illuminate\Collections\Collection as BaseCollection;
 
+/**
+ * @deprecated Will be removed in a future Laravel version.
+ */
 class Collection extends BaseCollection
 {
     /**
diff --git a/src/Illuminate/Support/Enumerable.php b/src/Illuminate/Support/Enumerable.php
index a0534b92107b..23aa653c9917 100644
--- a/src/Illuminate/Support/Enumerable.php
+++ b/src/Illuminate/Support/Enumerable.php
@@ -4,6 +4,9 @@
 
 use Illuminate\Collections\Enumerable as BaseEnumerable;
 
+/**
+ * @deprecated Will be removed in a future Laravel version.
+ */
 interface Enumerable extends BaseEnumerable
 {
     //
diff --git a/src/Illuminate/Support/LazyCollection.php b/src/Illuminate/Support/LazyCollection.php
index ff9c167fb12d..429a006897d5 100644
--- a/src/Illuminate/Support/LazyCollection.php
+++ b/src/Illuminate/Support/LazyCollection.php
@@ -5,6 +5,9 @@
 use Closure;
 use Illuminate\Collections\LazyCollection as BaseLazyCollection;
 
+/**
+ * @deprecated Will be removed in a future Laravel version.
+ */
 class LazyCollection extends BaseLazyCollection
 {
     /**
diff --git a/src/Illuminate/Support/Traits/Macroable.php b/src/Illuminate/Support/Traits/Macroable.php
index 8c5b7ae206fc..7f0e31f9d62f 100644
--- a/src/Illuminate/Support/Traits/Macroable.php
+++ b/src/Illuminate/Support/Traits/Macroable.php
@@ -4,6 +4,9 @@
 
 use Illuminate\Macroable\Macroable as BaseMacroable;
 
+/**
+ * @deprecated Will be removed in a future Laravel version.
+ */
 trait Macroable
 {
     use BaseMacroable;