diff --git a/src/storm-parsers/parser/FormulaParserGrammar.cpp b/src/storm-parsers/parser/FormulaParserGrammar.cpp
index ed355dcc4..14edbe53e 100644
--- a/src/storm-parsers/parser/FormulaParserGrammar.cpp
+++ b/src/storm-parsers/parser/FormulaParserGrammar.cpp
@@ -144,9 +144,9 @@ namespace storm {
 
             coalitionOperator = (qi::lit("<<")
                     > *(    (identifier[phoenix::push_back(qi::_a, qi::_1)]
-                        |    qi::int_[phoenix::push_back(qi::_b, qi::_1)]) % ','
+                        |    qi::int_[phoenix::push_back(qi::_a, qi::_1)]) % ','
                         )
-                    > qi::lit(">>"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createCoalition, phoenix::ref(*this), qi::_a, qi::_b)];
+                    > qi::lit(">>"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createCoalition, phoenix::ref(*this), qi::_a)];
             coalitionOperator.name("coalition operator");
 
             // only LRA for now, need to adapt this (beware of cyclic gameFormula pass!)
diff --git a/src/storm/logic/Coalition.cpp b/src/storm/logic/Coalition.cpp
deleted file mode 100644
index ff67d735b..000000000
--- a/src/storm/logic/Coalition.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#include "storm/logic/Coalition.h"
-
-namespace storm {
-    namespace logic {
-
-        Coalition::Coalition(std::vector<std::string> const& playerNames,
-                             std::vector<uint_fast32_t> const& playerIds) : playerNames(playerNames), playerIds(playerIds) {
-            // Intentionally left empty.
-        }
-
-        std::ostream& operator<<(std::ostream& stream, Coalition const& coalition) {
-            stream << "<<";
-            for (auto const& playerName : coalition.playerNames) {
-                stream << playerName << ", ";
-            }
-            for (auto const& playerId : coalition.playerIds) {
-                stream << playerId << ", ";
-            }
-            stream << ">>";
-            return stream;
-        }
-    }
-}
diff --git a/src/storm/logic/Coalition.h b/src/storm/logic/Coalition.h
deleted file mode 100644
index 108ea53ef..000000000
--- a/src/storm/logic/Coalition.h
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef STORM_LOGIC_COALITION_H_
-#define STORM_LOGIC_COALITION_H_
-
-#include <vector>
-#include <string>
-
-#include <boost/optional.hpp>
-#include "storm/storage/BoostTypes.h"
-#include "storm/utility/OsDetection.h"
-
-namespace storm {
-    namespace logic {
-
-        class Coalition {
-        public:
-            Coalition() = default;
-            Coalition(std::vector<std::string> const& playerNames, std::vector<uint_fast32_t> const& playerIds);
-            Coalition(Coalition const& other) = default;
-
-            friend std::ostream& operator<<(std::ostream& stream, Coalition const& coalition);
-
-        private:
-            std::vector<std::string> playerNames;
-            std::vector<uint_fast32_t> playerIds;
-        };
-    }
-}
-
-
-#endif /* STORM_LOGIC_COALITION_H_ */