diff --git a/src/Interpreters/Context.cpp b/src/Interpreters/Context.cpp
index e099721acdc..f6aa2890816 100644
--- a/src/Interpreters/Context.cpp
+++ b/src/Interpreters/Context.cpp
@@ -1709,13 +1709,13 @@ StoragePolicyPtr Context::getStoragePolicy(const String & name) const
 }
 
 
-const std::map<String, DiskPtr> & Context::getDisksMap() const
+std::map<String, DiskPtr> Context::getDisksMap() const
 {
     std::lock_guard lock(shared->storage_policies_mutex);
     return getDiskSelector(lock)->getDisksMap();
 }
 
-const std::map<String, StoragePolicyPtr> & Context::getPoliciesMap() const
+std::map<String, StoragePolicyPtr> Context::getPoliciesMap() const
 {
     std::lock_guard lock(shared->storage_policies_mutex);
     return getStoragePolicySelector(lock)->getPoliciesMap();
diff --git a/src/Interpreters/Context.h b/src/Interpreters/Context.h
index 65c9ed6749f..1f59648a525 100644
--- a/src/Interpreters/Context.h
+++ b/src/Interpreters/Context.h
@@ -545,8 +545,8 @@ public:
     /// Provides storage disks
     DiskPtr getDisk(const String & name) const;
 
-    const std::map<String, StoragePolicyPtr> & getPoliciesMap() const;
-    const std::map<String, DiskPtr> & getDisksMap() const;
+    std::map<String, StoragePolicyPtr> getPoliciesMap() const;
+    std::map<String, DiskPtr> getDisksMap() const;
     void updateStorageConfiguration(const Poco::Util::AbstractConfiguration & config);
 
     /// Provides storage politics schemes
diff --git a/src/Storages/System/StorageSystemStoragePolicies.cpp b/src/Storages/System/StorageSystemStoragePolicies.cpp
index c4f43b0a5bf..acbc9d72a20 100644
--- a/src/Storages/System/StorageSystemStoragePolicies.cpp
+++ b/src/Storages/System/StorageSystemStoragePolicies.cpp
@@ -45,9 +45,7 @@ Pipes StorageSystemStoragePolicies::read(
     MutableColumnPtr col_max_part_size = ColumnUInt64::create();
     MutableColumnPtr col_move_factor = ColumnFloat32::create();
 
-    const auto & policies_map = context.getPoliciesMap();
-
-    for (const auto & [policy_name, policy_ptr] : policies_map)
+    for (const auto & [policy_name, policy_ptr] : context.getPoliciesMap())
     {
         const auto & volumes = policy_ptr->getVolumes();
         for (size_t i = 0; i != volumes.size(); ++i)