diff --git a/alib2algo/src/grammar/convert/ToAutomatonBottomUp.h b/alib2algo/src/grammar/convert/ToAutomatonBottomUp.h
index 204d7fdc4a566c75c33fe9da02990f61e85aaf71..c82649bdbf96bfb43c7118e3d90998632934d390 100644
--- a/alib2algo/src/grammar/convert/ToAutomatonBottomUp.h
+++ b/alib2algo/src/grammar/convert/ToAutomatonBottomUp.h
@@ -30,16 +30,16 @@ public:
 	/**
 	 * Performs conversion.
 	 */
-	template <class T, class TerminalSymbolType = typename grammar::TerminalSymbolTypeOfGrammar < T >, class EpsilonType = DefaultEpsilonType, class NonterminalSymbolType = typename grammar::NonterminalSymbolTypeOfGrammar < T > >
-	static automaton::NPDA < TerminalSymbolType, EpsilonType, ext::variant < TerminalSymbolType, NonterminalSymbolType >, unsigned > convert(const T& grammar);
+	template < class T, class TerminalSymbolType = typename grammar::TerminalSymbolTypeOfGrammar < T >, class NonterminalSymbolType = typename grammar::NonterminalSymbolTypeOfGrammar < T > >
+	static automaton::NPDA < TerminalSymbolType, DefaultEpsilonType, ext::variant < TerminalSymbolType, NonterminalSymbolType >, unsigned > convert(const T& grammar);
 };
 
-template <class T, class TerminalSymbolType, class EpsilonType, class NonterminalSymbolType >
-automaton::NPDA < TerminalSymbolType, EpsilonType, ext::variant < TerminalSymbolType, NonterminalSymbolType >, unsigned > ToAutomatonBottomUp::convert ( const T & grammar ) {
+template < class T, class TerminalSymbolType, class NonterminalSymbolType >
+automaton::NPDA < TerminalSymbolType, DefaultEpsilonType, ext::variant < TerminalSymbolType, NonterminalSymbolType >, unsigned > ToAutomatonBottomUp::convert ( const T & grammar ) {
 	unsigned q = label::InitialStateLabel::instance < unsigned > ( );
 	unsigned r = label::FinalStateLabel::instance < unsigned > ( );
 
-	automaton::NPDA < TerminalSymbolType, EpsilonType, ext::variant < TerminalSymbolType, NonterminalSymbolType >, unsigned > automaton ( q, alphabet::BottomOfTheStackSymbol::instance < NonterminalSymbolType > ( ) );
+	automaton::NPDA < TerminalSymbolType, DefaultEpsilonType, ext::variant < TerminalSymbolType, NonterminalSymbolType >, unsigned > automaton ( q, alphabet::BottomOfTheStackSymbol::instance < NonterminalSymbolType > ( ) );
 	automaton.addState(r);
 	automaton.addFinalState(r);