diff --git a/python/core/auto_generated/classification/qgsclassificationmethodregistry.sip.in b/python/core/auto_generated/classification/qgsclassificationmethodregistry.sip.in
index 232979d9b5c..07813384e62 100644
--- a/python/core/auto_generated/classification/qgsclassificationmethodregistry.sip.in
+++ b/python/core/auto_generated/classification/qgsclassificationmethodregistry.sip.in
@@ -28,6 +28,7 @@ QgsClassificationMethodRegistry is not usually directly created, but rather acce
 %End
   public:
     QgsClassificationMethodRegistry();
+    ~QgsClassificationMethodRegistry();
 
     bool addMethod( QgsClassificationMethod *method /Transfer/ );
 %Docstring
diff --git a/src/core/classification/qgsclassificationmethodregistry.cpp b/src/core/classification/qgsclassificationmethodregistry.cpp
index 1f619a4ecb5..a381971e41e 100644
--- a/src/core/classification/qgsclassificationmethodregistry.cpp
+++ b/src/core/classification/qgsclassificationmethodregistry.cpp
@@ -36,6 +36,11 @@ QgsClassificationMethodRegistry::QgsClassificationMethodRegistry()
   addMethod( new QgsClassificationLogarithmic() );
 }
 
+QgsClassificationMethodRegistry::~QgsClassificationMethodRegistry()
+{
+  qDeleteAll( mMethods );
+}
+
 bool QgsClassificationMethodRegistry::addMethod( QgsClassificationMethod *method )
 {
   if ( mMethods.contains( method->id() ) )
diff --git a/src/core/classification/qgsclassificationmethodregistry.h b/src/core/classification/qgsclassificationmethodregistry.h
index 6dee67fcdd6..38478916f1e 100644
--- a/src/core/classification/qgsclassificationmethodregistry.h
+++ b/src/core/classification/qgsclassificationmethodregistry.h
@@ -39,6 +39,7 @@ class CORE_EXPORT QgsClassificationMethodRegistry
 {
   public:
     QgsClassificationMethodRegistry();
+    ~QgsClassificationMethodRegistry();
 
     /**
      * Adds a method to the registry