diff --git a/src/domain/livequery.h b/src/domain/livequery.h
--- a/src/domain/livequery.h
+++ b/src/domain/livequery.h
@@ -81,6 +81,27 @@
     typedef std::function<void(const InputType &, OutputType &)> UpdateFunction;
     typedef std::function<bool(const InputType &, const OutputType &)> RepresentsFunction;
 
+    LiveQuery()
+    {
+    }
+
+    LiveQuery(const LiveQuery &other)
+        : m_fetch(other.m_fetch),
+          m_predicate(other.m_predicate),
+          m_convert(other.m_convert),
+          m_update(other.m_update),
+          m_represents(other.m_represents),
+          m_provider(other.m_provider)
+    {
+    }
+
+    LiveQuery &operator=(const LiveQuery &other)
+    {
+        LiveQuery tmp(other);
+        std::swap(*this, other);
+        return *this;
+    }
+
     ~LiveQuery()
     {
         clear();
diff --git a/src/utils/dependencymanager.h b/src/utils/dependencymanager.h
--- a/src/utils/dependencymanager.h
+++ b/src/utils/dependencymanager.h
@@ -175,8 +175,11 @@
     static DependencyManager &globalInstance();
 
     DependencyManager();
+    DependencyManager(const DependencyManager &other);
     ~DependencyManager();
 
+    DependencyManager &operator=(const DependencyManager &other);
+
     template<class Iface, class InstancePolicy>
     void add(const typename Internal::Provider<Iface>::FactoryType &factory)
     {
diff --git a/src/utils/dependencymanager.cpp b/src/utils/dependencymanager.cpp
--- a/src/utils/dependencymanager.cpp
+++ b/src/utils/dependencymanager.cpp
@@ -37,9 +37,20 @@
 {
 }
 
+DependencyManager::DependencyManager(const DependencyManager &other)
+    : m_cleanupFunctions(other.m_cleanupFunctions)
+{
+}
+
 DependencyManager::~DependencyManager()
 {
     foreach (void (*cleanupFunction)(DependencyManager*), m_cleanupFunctions) {
         cleanupFunction(this);
     }
 }
+
+DependencyManager &DependencyManager::operator=(const DependencyManager &other)
+{
+    m_cleanupFunctions = other.m_cleanupFunctions;
+    return *this;
+}
diff --git a/tests/features/features-run.cpp b/tests/features/features-run.cpp
--- a/tests/features/features-run.cpp
+++ b/tests/features/features-run.cpp
@@ -43,6 +43,9 @@
     }
 
 private:
+    ProcessKiller(const ProcessKiller &other);
+    ProcessKiller &operator=(const ProcessKiller &other);
+
     QProcess *m_process;
 };
 
diff --git a/tests/testlib/akonadifakedata.h b/tests/testlib/akonadifakedata.h
--- a/tests/testlib/akonadifakedata.h
+++ b/tests/testlib/akonadifakedata.h
@@ -48,6 +48,8 @@
     AkonadiFakeData(const AkonadiFakeData &other);
     ~AkonadiFakeData();
 
+    AkonadiFakeData &operator=(const AkonadiFakeData &other);
+
     Akonadi::Collection::List collections() const;
     Akonadi::Collection::List childCollections(Akonadi::Collection::Id parentId) const;
     Akonadi::Collection collection(Akonadi::Collection::Id id) const;
diff --git a/tests/testlib/akonadifakedata.cpp b/tests/testlib/akonadifakedata.cpp
--- a/tests/testlib/akonadifakedata.cpp
+++ b/tests/testlib/akonadifakedata.cpp
@@ -61,6 +61,15 @@
 {
 }
 
+AkonadiFakeData &AkonadiFakeData::operator=(const AkonadiFakeData &other)
+{
+    m_collections = other.m_collections;
+    m_childCollections = other.m_childCollections;
+    m_items = other.m_items;
+    m_childItems = other.m_childItems;
+    return *this;
+}
+
 Akonadi::Collection::List AkonadiFakeData::collections() const
 {
     return m_collections.values().toVector();