diff --git a/src/storm/settings/modules/NativeEquationSolverSettings.cpp b/src/storm/settings/modules/NativeEquationSolverSettings.cpp
index 26a15ea67..7803939bf 100644
--- a/src/storm/settings/modules/NativeEquationSolverSettings.cpp
+++ b/src/storm/settings/modules/NativeEquationSolverSettings.cpp
@@ -25,7 +25,7 @@ namespace storm {
             
             NativeEquationSolverSettings::NativeEquationSolverSettings() : ModuleSettings(moduleName) {
                 std::vector<std::string> methods = { "jacobi", "gaussseidel", "sor" };
-                this->addOption(storm::settings::OptionBuilder(moduleName, techniqueOptionName, true, "The method to be used for solving linear equation systems with the native engine.").addArgument(storm::settings::ArgumentBuilder::createStringArgument("name", "The name of the method to use.").addValidatorString(ArgumentValidatorFactory::createMultipleChoiceValidator(methods)).setDefaultValueString("gaussseidel").build()).build());
+                this->addOption(storm::settings::OptionBuilder(moduleName, techniqueOptionName, true, "The method to be used for solving linear equation systems with the native engine.").addArgument(storm::settings::ArgumentBuilder::createStringArgument("name", "The name of the method to use.").addValidatorString(ArgumentValidatorFactory::createMultipleChoiceValidator(methods)).setDefaultValueString("jacobi").build()).build());
                 
                 this->addOption(storm::settings::OptionBuilder(moduleName, maximalIterationsOptionName, false, "The maximal number of iterations to perform before iterative solving is aborted.").setShortName(maximalIterationsOptionShortName).addArgument(storm::settings::ArgumentBuilder::createUnsignedIntegerArgument("count", "The maximal iteration count.").setDefaultValueUnsignedInteger(20000).build()).build());
                 
diff --git a/src/storm/storage/SparseMatrix.h b/src/storm/storage/SparseMatrix.h
index 6a613dd3d..bd8c1bad1 100644
--- a/src/storm/storage/SparseMatrix.h
+++ b/src/storm/storage/SparseMatrix.h
@@ -293,9 +293,6 @@ namespace storm {
             // Stores the currently active row group. This is used for correctly constructing the row grouping of the
             // matrix.
             index_type currentRowGroup;
-            
-            // A flag that stores whether the current row group does not yet contain an element.
-            bool currentRowGroupEmpty;
         };
         
         /*!