diff --git a/src/ripple/shamap/SHAMapItem.h b/src/ripple/shamap/SHAMapItem.h
index 01561683e..6e0664b0a 100644
--- a/src/ripple/shamap/SHAMapItem.h
+++ b/src/ripple/shamap/SHAMapItem.h
@@ -21,6 +21,7 @@
 #define RIPPLE_SHAMAP_SHAMAPITEM_H_INCLUDED
 
 #include <ripple/basics/Blob.h>
+#include <ripple/basics/CountedObject.h>
 #include <ripple/basics/Slice.h>
 #include <ripple/basics/base_uint.h>
 #include <ripple/beast/utility/Journal.h>
@@ -31,7 +32,7 @@
 namespace ripple {
 
 // an item stored in a SHAMap
-class SHAMapItem
+class SHAMapItem : public CountedObject<SHAMapItem>
 {
 private:
     uint256 tag_;
diff --git a/src/ripple/shamap/SHAMapNodeID.h b/src/ripple/shamap/SHAMapNodeID.h
index 0fcc685ca..38dcda9f8 100644
--- a/src/ripple/shamap/SHAMapNodeID.h
+++ b/src/ripple/shamap/SHAMapNodeID.h
@@ -20,6 +20,7 @@
 #ifndef RIPPLE_SHAMAP_SHAMAPNODEID_H_INCLUDED
 #define RIPPLE_SHAMAP_SHAMAPNODEID_H_INCLUDED
 
+#include <ripple/basics/CountedObject.h>
 #include <ripple/basics/base_uint.h>
 #include <optional>
 #include <ostream>
@@ -29,7 +30,7 @@
 namespace ripple {
 
 /** Identifies a node inside a SHAMap */
-class SHAMapNodeID
+class SHAMapNodeID : public CountedObject<SHAMapNodeID>
 {
 private:
     uint256 id_;
diff --git a/src/ripple/shamap/SHAMapTreeNode.h b/src/ripple/shamap/SHAMapTreeNode.h
index 3d3668fac..030b00740 100644
--- a/src/ripple/shamap/SHAMapTreeNode.h
+++ b/src/ripple/shamap/SHAMapTreeNode.h
@@ -20,6 +20,7 @@
 #ifndef RIPPLE_SHAMAP_SHAMAPTREENODE_H_INCLUDED
 #define RIPPLE_SHAMAP_SHAMAPTREENODE_H_INCLUDED
 
+#include <ripple/basics/CountedObject.h>
 #include <ripple/basics/TaggedCache.h>
 #include <ripple/beast/utility/Journal.h>
 #include <ripple/shamap/SHAMapItem.h>
@@ -202,7 +203,8 @@ private:
         bool hashValid);
 };
 
-class SHAMapInnerNode : public SHAMapAbstractNode
+class SHAMapInnerNode : public SHAMapAbstractNode,
+                        public CountedObject<SHAMapInnerNode>
 {
     std::array<SHAMapHash, 16> mHashes;
     std::shared_ptr<SHAMapAbstractNode> mChildren[16];
@@ -273,7 +275,8 @@ public:
 
 // SHAMapTreeNode represents a leaf, and may eventually be renamed to reflect
 // that.
-class SHAMapTreeNode : public SHAMapAbstractNode
+class SHAMapTreeNode : public SHAMapAbstractNode,
+                       public CountedObject<SHAMapTreeNode>
 {
 private:
     std::shared_ptr<SHAMapItem const> mItem;