diff --git a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_0.hpp b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_0.hpp
index 0b6b6e1..a8b25c9 100644
--- a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_0.hpp
+++ b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_0.hpp
@@ -50,8 +50,6 @@ namespace xo {
             /** @defgroup scm-gcobject-dprimitive_gco_0-methods **/
             ///@{
             // const methods
-            /** memory consumption for this instance **/
-            static size_type shallow_size(const DPrimitive_gco_0 & self) noexcept;
 
             // non-const methods
             /** move instance using allocator **/
diff --git a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_1_gco.hpp b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_1_gco.hpp
index 1536f0a..89c13e3 100644
--- a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_1_gco.hpp
+++ b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_1_gco.hpp
@@ -50,8 +50,6 @@ namespace xo {
             /** @defgroup scm-gcobject-dprimitive_gco_1_gco-methods **/
             ///@{
             // const methods
-            /** memory consumption for this instance **/
-            static size_type shallow_size(const DPrimitive_gco_1_gco & self) noexcept;
 
             // non-const methods
             /** move instance using allocator **/
diff --git a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_dict_string.hpp b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_dict_string.hpp
index b971bd4..24dc877 100644
--- a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_dict_string.hpp
+++ b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_dict_string.hpp
@@ -50,8 +50,6 @@ namespace xo {
             /** @defgroup scm-gcobject-dprimitive_gco_2_dict_string-methods **/
             ///@{
             // const methods
-            /** memory consumption for this instance **/
-            static size_type shallow_size(const DPrimitive_gco_2_dict_string & self) noexcept;
 
             // non-const methods
             /** move instance using allocator **/
diff --git a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_gco_gco.hpp b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_gco_gco.hpp
index e8f709b..51db4ff 100644
--- a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_gco_gco.hpp
+++ b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_2_gco_gco.hpp
@@ -50,8 +50,6 @@ namespace xo {
             /** @defgroup scm-gcobject-dprimitive_gco_2_gco_gco-methods **/
             ///@{
             // const methods
-            /** memory consumption for this instance **/
-            static size_type shallow_size(const DPrimitive_gco_2_gco_gco & self) noexcept;
 
             // non-const methods
             /** move instance using allocator **/
diff --git a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_3_dict_string_gco.hpp b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_3_dict_string_gco.hpp
index c4a87ac..81e0b41 100644
--- a/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_3_dict_string_gco.hpp
+++ b/include/xo/procedure2/detail/IGCObject_DPrimitive_gco_3_dict_string_gco.hpp
@@ -50,8 +50,6 @@ namespace xo {
             /** @defgroup scm-gcobject-dprimitive_gco_3_dict_string_gco-methods **/
             ///@{
             // const methods
-            /** memory consumption for this instance **/
-            static size_type shallow_size(const DPrimitive_gco_3_dict_string_gco & self) noexcept;
 
             // non-const methods
             /** move instance using allocator **/
diff --git a/src/procedure2/facet/IGCObject_DPrimitive_gco_0.cpp b/src/procedure2/facet/IGCObject_DPrimitive_gco_0.cpp
index 170b5f2..24a68f6 100644
--- a/src/procedure2/facet/IGCObject_DPrimitive_gco_0.cpp
+++ b/src/procedure2/facet/IGCObject_DPrimitive_gco_0.cpp
@@ -15,12 +15,6 @@
 
 namespace xo {
     namespace scm {
-        auto
-        IGCObject_DPrimitive_gco_0::shallow_size(const DPrimitive_gco_0 & self) noexcept -> size_type
-        {
-            return self.shallow_size();
-        }
-
         auto
         IGCObject_DPrimitive_gco_0::shallow_move(DPrimitive_gco_0 & self, obj<ACollector> gc) noexcept -> Opaque
         {
diff --git a/src/procedure2/facet/IGCObject_DPrimitive_gco_1_gco.cpp b/src/procedure2/facet/IGCObject_DPrimitive_gco_1_gco.cpp
index 77979f2..9d411bf 100644
--- a/src/procedure2/facet/IGCObject_DPrimitive_gco_1_gco.cpp
+++ b/src/procedure2/facet/IGCObject_DPrimitive_gco_1_gco.cpp
@@ -15,12 +15,6 @@
 
 namespace xo {
     namespace scm {
-        auto
-        IGCObject_DPrimitive_gco_1_gco::shallow_size(const DPrimitive_gco_1_gco & self) noexcept -> size_type
-        {
-            return self.shallow_size();
-        }
-
         auto
         IGCObject_DPrimitive_gco_1_gco::shallow_move(DPrimitive_gco_1_gco & self, obj<ACollector> gc) noexcept -> Opaque
         {
diff --git a/src/procedure2/facet/IGCObject_DPrimitive_gco_2_dict_string.cpp b/src/procedure2/facet/IGCObject_DPrimitive_gco_2_dict_string.cpp
index 0c423e7..32c4377 100644
--- a/src/procedure2/facet/IGCObject_DPrimitive_gco_2_dict_string.cpp
+++ b/src/procedure2/facet/IGCObject_DPrimitive_gco_2_dict_string.cpp
@@ -15,12 +15,6 @@
 
 namespace xo {
     namespace scm {
-        auto
-        IGCObject_DPrimitive_gco_2_dict_string::shallow_size(const DPrimitive_gco_2_dict_string & self) noexcept -> size_type
-        {
-            return self.shallow_size();
-        }
-
         auto
         IGCObject_DPrimitive_gco_2_dict_string::shallow_move(DPrimitive_gco_2_dict_string & self, obj<ACollector> gc) noexcept -> Opaque
         {
diff --git a/src/procedure2/facet/IGCObject_DPrimitive_gco_2_gco_gco.cpp b/src/procedure2/facet/IGCObject_DPrimitive_gco_2_gco_gco.cpp
index b7ed3c9..281c426 100644
--- a/src/procedure2/facet/IGCObject_DPrimitive_gco_2_gco_gco.cpp
+++ b/src/procedure2/facet/IGCObject_DPrimitive_gco_2_gco_gco.cpp
@@ -15,12 +15,6 @@
 
 namespace xo {
     namespace scm {
-        auto
-        IGCObject_DPrimitive_gco_2_gco_gco::shallow_size(const DPrimitive_gco_2_gco_gco & self) noexcept -> size_type
-        {
-            return self.shallow_size();
-        }
-
         auto
         IGCObject_DPrimitive_gco_2_gco_gco::shallow_move(DPrimitive_gco_2_gco_gco & self, obj<ACollector> gc) noexcept -> Opaque
         {
diff --git a/src/procedure2/facet/IGCObject_DPrimitive_gco_3_dict_string_gco.cpp b/src/procedure2/facet/IGCObject_DPrimitive_gco_3_dict_string_gco.cpp
index 9a43c8c..b15cc56 100644
--- a/src/procedure2/facet/IGCObject_DPrimitive_gco_3_dict_string_gco.cpp
+++ b/src/procedure2/facet/IGCObject_DPrimitive_gco_3_dict_string_gco.cpp
@@ -15,12 +15,6 @@
 
 namespace xo {
     namespace scm {
-        auto
-        IGCObject_DPrimitive_gco_3_dict_string_gco::shallow_size(const DPrimitive_gco_3_dict_string_gco & self) noexcept -> size_type
-        {
-            return self.shallow_size();
-        }
-
         auto
         IGCObject_DPrimitive_gco_3_dict_string_gco::shallow_move(DPrimitive_gco_3_dict_string_gco & self, obj<ACollector> gc) noexcept -> Opaque
         {