diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 000000000..7e6c93ae9
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,3 @@
+parameters:
+	excludes_analyse:
+		- src/Collection
diff --git a/src/Collection/CollectionInterface.php b/src/Collection/CollectionInterface.php
index 171347ae8..d6e8d6f16 100644
--- a/src/Collection/CollectionInterface.php
+++ b/src/Collection/CollectionInterface.php
@@ -4,6 +4,9 @@
 
 namespace BitWasp\Bitcoin\Collection;
 
+/**
+ * @deprecated v2.0.0
+ */
 interface CollectionInterface extends \Iterator, \ArrayAccess, \Countable
 {
     /**
diff --git a/src/Collection/StaticBufferCollection.php b/src/Collection/StaticBufferCollection.php
index 5396398e9..a45decae6 100644
--- a/src/Collection/StaticBufferCollection.php
+++ b/src/Collection/StaticBufferCollection.php
@@ -6,6 +6,9 @@
 
 use BitWasp\Buffertools\BufferInterface;
 
+/**
+ * @deprecated v2.0.0
+ */
 class StaticBufferCollection extends StaticCollection
 {
     /**
diff --git a/src/Collection/StaticCollection.php b/src/Collection/StaticCollection.php
index 12be180f8..e0ea54438 100644
--- a/src/Collection/StaticCollection.php
+++ b/src/Collection/StaticCollection.php
@@ -6,6 +6,9 @@
 
 use BitWasp\Buffertools\BufferInterface;
 
+/**
+ * @deprecated v2.0.0
+ */
 abstract class StaticCollection implements CollectionInterface
 {
     /**