diff --git a/src/include/functional_multi_array.h b/src/include/functional_multi_array.h
index b2a8251..3652e24 100644
--- a/src/include/functional_multi_array.h
+++ b/src/include/functional_multi_array.h
@@ -7,72 +7,6 @@
 
 namespace MultiArrayTools
 {
-
-    template <bool HASMETACONT>
-    struct ToMAObject
-    {
-	template <class Index>
-	static auto mk(const std::shared_ptr<Index>& i)
-	    -> MultiArray<typename Index::MetaType, typename Index::RangeType>
-	{
-            assert(0); // deprecated
-	    vector<typename Index::MetaType> vv(i->range()->size());
-	    for(Index j = (*i); j.pos() != j.max(); ++j){
-		vv[j.pos()] = j.meta();
-	    }	    
-	    return MultiArray<typename Index::MetaType, typename Index::RangeType>( i->range(), vv );
-	}
-    };
-
-    template <>
-    struct ToMAObject<true>
-    {
-	template <class Index>
-	static auto mk(const std::shared_ptr<Index>& i)
-	    -> ConstSlice<typename Index::MetaType, typename Index::RangeType>
-	{
-	    return ConstSlice<typename Index::MetaType, typename Index::RangeType>( i->range(), i->metaPtr() );
-	}
-    };
-
-    template <class Index>
-    auto mkMAObject(const std::shared_ptr<Index>& i)
-	-> std::shared_ptr<decltype(ToMAObject<Index::RangeType::HASMETACONT>::mk(i))>
-    {
-	return std::make_shared<decltype(ToMAObject<Index::RangeType::HASMETACONT>::mk(i))>
-	    (ToMAObject<Index::RangeType::HASMETACONT>::mk(i));
-    }
-
-    template <bool HASMETACONT>
-    struct ToOpObject
-    {
-	template <class Index>
-	static auto mk(const std::shared_ptr<Index>& ind)
-	    -> ConstOperationRoot<typename Index::MetaType,
-				  typename Index::RangeType>
-	{
-	    return ConstOperationRoot<typename Index::MetaType,
-				      typename Index::RangeType>( mkMAObject(ind), ind);
-	}
-    };
-
-    template <>
-    struct ToOpObject<false>
-    {
-        template <class Index>
-	static auto mk(const std::shared_ptr<Index>& ind)
-	    -> MetaOperationRoot<typename Index::RangeType>
-        {
-            return MetaOperationRoot<typename Index::RangeType>( ind );
-        }
-    };
-    
-    template <class Index>
-    auto mkOpObject(const std::shared_ptr<Index>& i)
-	-> decltype(ToOpObject<Index::RangeType::HASMETACONT>::mk(i))
-    {
-	return ToOpObject<Index::RangeType::HASMETACONT>::mk(i);
-    }
     
     template <typename T, class Function, class... SRanges>
     class FunctionalMultiArray : public MultiArrayBase<T,SRanges...>
diff --git a/src/include/high_level_operation.h b/src/include/high_level_operation.h
index fa1ffc1..d3acf1f 100644
--- a/src/include/high_level_operation.h
+++ b/src/include/high_level_operation.h
@@ -54,7 +54,10 @@ namespace MultiArrayTools
 #define reg_ind3(I1,I2,I3) virtual RetT<I1,I2,I3> create   \
         (const std::shared_ptr<I1>& ind1,const std::shared_ptr<I2>& ind2,const std::shared_ptr<I3>& ind3) = 0
 
-#include "hl_reg_ind.h"
+        //#include "hl_reg_ind.h"
+        reg_ind1(ClassicRange::IndexType);
+        reg_ind2(ClassicRange::IndexType,ClassicRange::IndexType);
+        reg_ind3(ClassicRange::IndexType,ClassicRange::IndexType,ClassicRange::IndexType);
 
 #undef reg_ind1
 #undef reg_ind2
@@ -92,7 +95,10 @@ namespace MultiArrayTools
         (const std::shared_ptr<I1>& ind1, const std::shared_ptr<I2>& ind2, const std::shared_ptr<I3>& ind3) \
             override final { return xcreate(ind1,ind2,ind3); }
 
-#include "hl_reg_ind.h"
+        //#include "hl_reg_ind.h"
+        reg_ind1(ClassicRange::IndexType);
+        reg_ind2(ClassicRange::IndexType,ClassicRange::IndexType);
+        reg_ind3(ClassicRange::IndexType,ClassicRange::IndexType,ClassicRange::IndexType);
 
         virtual ROP* get() override final;
 	virtual VOP* vget() override final;
@@ -121,7 +127,10 @@ namespace MultiArrayTools
         
         virtual bool root() const override final;
 
-#include "hl_reg_ind.h"
+        //#include "hl_reg_ind.h"
+        reg_ind1(ClassicRange::IndexType);
+        reg_ind2(ClassicRange::IndexType,ClassicRange::IndexType);
+        reg_ind3(ClassicRange::IndexType,ClassicRange::IndexType,ClassicRange::IndexType);
     
         virtual ROP* get() override final;
 	virtual VOP* vget() override final;
@@ -158,7 +167,10 @@ namespace MultiArrayTools
         virtual ROP* get() override final;
 	virtual VOP* vget() override final;
     
-#include "hl_reg_ind.h"
+        //#include "hl_reg_ind.h"
+        reg_ind1(ClassicRange::IndexType);
+        reg_ind2(ClassicRange::IndexType,ClassicRange::IndexType);
+        reg_ind3(ClassicRange::IndexType,ClassicRange::IndexType,ClassicRange::IndexType);
 
 #undef reg_ind1
 #undef reg_ind2
diff --git a/src/include/hl_reg_ind.h b/src/include/hl_reg_ind.h
deleted file mode 100644
index 144c5e0..0000000
--- a/src/include/hl_reg_ind.h
+++ /dev/null
@@ -1,52 +0,0 @@
-
-#ifndef __hl_reg_ind_h__
-#define __hl_reg_ind_h__
-
-#include "ranges/rheader.h"
-
-namespace MultiArrayTools
-{
-
-    template <class Index>
-    struct RegIndNum
-    {
-        static constexpr size_t VALUE = -1;
-        static constexpr size_t DEPTH = 0;
-    };
-
-    template <>
-    struct RegIndNum<ClassicRange::IndexType>
-    {
-        static constexpr size_t VALUE = 0;
-        static constexpr size_t DEPTH = 3;
-    };
-
-    // to be returned by IndexWrapper
-    struct RegIndInfo
-    {
-        size_t type;
-        size_t depth;
-
-        template <class Index>
-        RegIndInfo& set(const std::shared_ptr<Index>& i)
-        {
-            type = RegIndNum<Index>::VALUE;
-            depth = RegIndNum<Index>::DEPTH;
-	    return *this;
-        }
-    };
-}
-
-#endif
-
-#ifdef reg_ind1
-#ifdef reg_ind2
-#ifdef reg_ind3
-
-reg_ind1(ClassicRange::IndexType);
-reg_ind2(ClassicRange::IndexType,ClassicRange::IndexType);
-reg_ind3(ClassicRange::IndexType,ClassicRange::IndexType,ClassicRange::IndexType);
-
-#endif
-#endif
-#endif
diff --git a/src/include/ranges/index_wrapper.cc.h b/src/include/ranges/index_wrapper.cc.h
index fd23a05..9b734e9 100644
--- a/src/include/ranges/index_wrapper.cc.h
+++ b/src/include/ranges/index_wrapper.cc.h
@@ -153,14 +153,7 @@ namespace MultiArrayTools
     {
         return std::make_shared<IndexWrapper>( std::make_shared<Index>( *mI ) );
     }
-    /*
-    template <class Index>
-    RegIndInfo IndexWrapper<Index>::regN() const
-    {
-	RegIndInfo out;
-	return out.set(mI);
-    }
-    */
+
     template <class Index>
     std::shared_ptr<Index> IndexWrapper<Index>::getIndex() const
     {
diff --git a/src/include/ranges/index_wrapper.h b/src/include/ranges/index_wrapper.h
index 0df33ff..3a58fd6 100644
--- a/src/include/ranges/index_wrapper.h
+++ b/src/include/ranges/index_wrapper.h
@@ -4,7 +4,7 @@
 
 #include "ranges/rbase_def.h"
 #include "xfor/xfor.h"
-#include "hl_reg_ind.h"
+#include "ranges/rheader.h"
 
 namespace MultiArrayTools
 {
@@ -50,13 +50,6 @@ namespace MultiArrayTools
 
         virtual std::shared_ptr<IndexWrapperBase> duplicate() const = 0;
 
-	//virtual RegIndInfo regN() const = 0;
-        //virtual DynamicMetaT meta() const = 0;
-	//virtual const DynamicMetaT* metaPtr() const = 0;
-	//virtual AbstractIW& at(const U& metaPos) = 0;
-	//virtual size_t posAt(const U& metaPos) const = 0;
-
-	//virtual bool isMeta(const U& metaPos) const = 0;
 	inline IndexWrapperBase& at(const std::string smeta)
 	{
 	    // ignore spaces, " and ' (string identifiers)
@@ -150,7 +143,6 @@ namespace MultiArrayTools
         virtual DynamicExpression iforh(size_t step, DynamicExpression ex) const override final;
 
         virtual std::shared_ptr<IndexWrapperBase> duplicate() const override final;
-	//virtual RegIndInfo regN() const override final;
 
 	std::shared_ptr<Index> getIndex() const;
 	virtual std::shared_ptr<ClassicIndex> reduced() const override final;