diff --git a/src/server/serverinventorymgr.cpp b/src/server/serverinventorymgr.cpp
index b29bf95a5..1bdb98bd4 100644
--- a/src/server/serverinventorymgr.cpp
+++ b/src/server/serverinventorymgr.cpp
@@ -29,14 +29,6 @@ ServerInventoryManager::ServerInventoryManager() : InventoryManager()
 {
 }
 
-ServerInventoryManager::~ServerInventoryManager()
-{
-	// Delete detached inventories
-	for (auto &detached_inventory : m_detached_inventories) {
-		delete detached_inventory.second.inventory;
-	}
-}
-
 Inventory *ServerInventoryManager::getInventory(const InventoryLocation &loc)
 {
 	// No m_env check here: allow creation and modification of detached inventories
@@ -51,7 +43,7 @@ Inventory *ServerInventoryManager::getInventory(const InventoryLocation &loc)
 
 		RemotePlayer *player = m_env->getPlayer(loc.name.c_str());
 		if (!player)
-			return NULL;
+			return nullptr;
 
 		PlayerSAO *playersao = player->getPlayerSAO();
 		return playersao ? playersao->getInventory() : nullptr;
@@ -67,13 +59,13 @@ Inventory *ServerInventoryManager::getInventory(const InventoryLocation &loc)
 		auto it = m_detached_inventories.find(loc.name);
 		if (it == m_detached_inventories.end())
 			return nullptr;
-		return it->second.inventory;
+		return it->second.inventory.get();
 	} break;
 	default:
 		sanity_check(false); // abort
 		break;
 	}
-	return NULL;
+	return nullptr;
 }
 
 void ServerInventoryManager::setInventoryModified(const InventoryLocation &loc)
@@ -113,15 +105,16 @@ Inventory *ServerInventoryManager::createDetachedInventory(
 	if (m_detached_inventories.count(name) > 0) {
 		infostream << "Server clearing detached inventory \"" << name << "\""
 			   << std::endl;
-		delete m_detached_inventories[name].inventory;
+		m_detached_inventories[name].inventory.reset();
 	} else {
 		infostream << "Server creating detached inventory \"" << name << "\""
 			   << std::endl;
 	}
 
-	Inventory *inv = new Inventory(idef);
+	auto inv_u = std::make_unique<Inventory>(idef);
+	auto inv = inv_u.get();
 	sanity_check(inv);
-	m_detached_inventories[name].inventory = inv;
+	m_detached_inventories[name].inventory = std::move(inv_u);
 	if (!player.empty()) {
 		m_detached_inventories[name].owner = player;
 
@@ -152,7 +145,7 @@ bool ServerInventoryManager::removeDetachedInventory(const std::string &name)
 	if (inv_it == m_detached_inventories.end())
 		return false;
 
-	delete inv_it->second.inventory;
+	inv_it->second.inventory.reset();
 	const std::string &owner = inv_it->second.owner;
 
 	if (!owner.empty()) {
@@ -205,6 +198,6 @@ void ServerInventoryManager::sendDetachedInventories(const std::string &peer_nam
 				continue;
 		}
 
-		apply_cb(detached_inventory.first, detached_inventory.second.inventory);
+		apply_cb(detached_inventory.first, detached_inventory.second.inventory.get());
 	}
 }
diff --git a/src/server/serverinventorymgr.h b/src/server/serverinventorymgr.h
index ce1af41be..b54f6edd6 100644
--- a/src/server/serverinventorymgr.h
+++ b/src/server/serverinventorymgr.h
@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "inventorymanager.h"
 #include <cassert>
 #include <functional>
+#include <memory>
 #include <unordered_map>
 
 class IItemDefManager;
@@ -31,7 +32,7 @@ class ServerInventoryManager : public InventoryManager
 {
 public:
 	ServerInventoryManager();
-	virtual ~ServerInventoryManager();
+	virtual ~ServerInventoryManager() = default;
 
 	void setEnv(ServerEnvironment *env)
 	{
@@ -54,7 +55,7 @@ public:
 private:
 	struct DetachedInventory
 	{
-		Inventory *inventory;
+		std::unique_ptr<Inventory> inventory;
 		std::string owner;
 	};