diff --git a/alib2data/src/string/common/StringAuxiliary.h b/alib2data/src/string/common/StringAuxiliary.h
index d2061844376bb5124f738cc9fcd52bcf3d023efb..c72fae1c053e52e56334e6e3f06f1185efb90ae7 100644
--- a/alib2data/src/string/common/StringAuxiliary.h
+++ b/alib2data/src/string/common/StringAuxiliary.h
@@ -11,8 +11,6 @@
 #include <set>
 #include <vector>
 #include <common/DefaultSymbolType.h>
-#include "../../alphabet/ranked_symbol.hpp"
-#include "../../alphabet/RankedSymbol.h"
 
 namespace string {
 
@@ -22,27 +20,8 @@ namespace string {
 class StringAuxiliary {
 public:
 	static std::vector < DefaultSymbolType > toInternal ( const std::string & rawString );
-
-	template < class SymbolType, class RankType >
-	static std::vector < DefaultSymbolType > wrapSymbols ( const std::vector < std::ranked_symbol < SymbolType, RankType > > & ranked );
-	template < class SymbolType, class RankType >
-	static std::set < DefaultSymbolType > wrapSymbols ( const std::set < std::ranked_symbol < SymbolType, RankType > > & ranked );
 };
 
-template < class SymbolType, class RankType >
-std::vector < DefaultSymbolType > StringAuxiliary::wrapSymbols ( const std::vector < std::ranked_symbol < SymbolType, RankType > > & ranked ) {
-	return std::transform < DefaultSymbolType > ( ranked, [&] ( const std::ranked_symbol < SymbolType, RankType > & symbol) {
-			return DefaultSymbolType ( alphabet::RankedSymbol < SymbolType, RankType > ( symbol ) );
-	} );
-}
-
-template < class SymbolType, class RankType >
-std::set < DefaultSymbolType > StringAuxiliary::wrapSymbols ( const std::set < std::ranked_symbol < SymbolType, RankType > > & ranked ) {
-	return std::transform < DefaultSymbolType > ( ranked, [&] ( const std::ranked_symbol < SymbolType, RankType > & symbol) {
-			return DefaultSymbolType ( alphabet::RankedSymbol < SymbolType, RankType > ( symbol ) );
-	} );
-}
-
 } /* namespace string */
 
 #endif /* STRING_AUXILIARY_H_ */