diff --git a/python/PyCGraph.cpp b/python/PyCGraph.cpp
index 8886abaf..7bd05254 100644
--- a/python/PyCGraph.cpp
+++ b/python/PyCGraph.cpp
@@ -327,20 +327,9 @@ PYBIND11_MODULE(pycgraph, cg) {
              py::arg("func"));
 
     PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GCluster);
-    PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GClusterInterface);
-
     PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GRegion);
-    PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GRegionInterface);
-
     PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GCondition);
-    PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GConditionInterface);
-
     PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GSerialMultiCondition);
-    PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GSerialMultiConditionInterface);
-
     PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GParallelMultiCondition);
-    PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GParallelMultiConditionInterface);
-
     PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GMutable);
-    PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(GMutableInterface);
 }
diff --git a/python/wrapper/PyWrapperMacro.h b/python/wrapper/PyWrapperMacro.h
index 49948347..d58e8aea 100644
--- a/python/wrapper/PyWrapperMacro.h
+++ b/python/wrapper/PyWrapperMacro.h
@@ -38,14 +38,14 @@ public:
     explicit PCGG##Interface(const CGraph::GElementPtrArr& elements = CGraph::GElementPtrArr{}) : PCGG(elements) {}; \
     ~PCGG##Interface() override = default;                                                \
 protected:                                                                                \
-    PYCGRAPH_DECLARE_GELEMENT_COMMON_FUNCTIONS(PCGG##Interface)                           \
+    PYCGRAPH_DECLARE_GELEMENT_COMMON_FUNCTIONS(PCGG)                                      \
     PVFunc                                                                                \
 };                                                                                        \
                                                                                           \
 
 
 #define PYCGRAPH_DECLARE_GGROUP_PYBIND11_FUNCTIONS(PCGG)                                  \
-    py::class_<Pyw##PCGG, GElement, std::unique_ptr<Pyw##PCGG, py::nodelete> >(cg, #PCGG) \
+    py::class_<Pyw##PCGG, GElement, Pyw##PCGG##Interface, std::unique_ptr<Pyw##PCGG, py::nodelete> >(cg, #PCGG) \
         .def(py::init<const GElementPtrArr&>(),                                           \
             py::arg("elements") = GElementPtrArr{},                                       \
             py::keep_alive<1, 2>())                                                       \