diff --git a/src/storm-dft/storage/dft/elements/DFTDependency.h b/src/storm-dft/storage/dft/elements/DFTDependency.h
index 7d11bae2a..c1d877cb3 100644
--- a/src/storm-dft/storage/dft/elements/DFTDependency.h
+++ b/src/storm-dft/storage/dft/elements/DFTDependency.h
@@ -65,7 +65,10 @@ namespace storm {
                 DFTDependency<ValueType> const& otherDEP= static_cast<DFTDependency<ValueType> const&>(other);
                 return (mProbability == otherDEP.mProbability);
             }
-            
+
+            virtual void extendSpareModule(std::set<size_t>& elementsInSpareModule) const override {
+                // Do nothing
+            }
 
             virtual std::vector<size_t> independentUnit() const override {
                 std::set<size_t> unit = {this->mId};
diff --git a/src/storm-dft/storage/dft/elements/DFTGate.h b/src/storm-dft/storage/dft/elements/DFTGate.h
index 45745b500..39020f6cc 100644
--- a/src/storm-dft/storage/dft/elements/DFTGate.h
+++ b/src/storm-dft/storage/dft/elements/DFTGate.h
@@ -49,8 +49,8 @@ namespace storm {
             virtual void extendSpareModule(std::set<size_t>& elementsInSpareModule) const override {
                 if (!this->isSpareGate()) {
                     DFTElement<ValueType>::extendSpareModule(elementsInSpareModule);
-                    for( auto const& child : mChildren) {
-                        if(elementsInSpareModule.count(child->id()) == 0) {
+                    for (auto const& child : mChildren) {
+                        if (elementsInSpareModule.count(child->id()) == 0) {
                             elementsInSpareModule.insert(child->id());
                             child->extendSpareModule(elementsInSpareModule);
                         }
diff --git a/src/storm-dft/storage/dft/elements/DFTRestriction.h b/src/storm-dft/storage/dft/elements/DFTRestriction.h
index 195a217bb..d4efde050 100644
--- a/src/storm-dft/storage/dft/elements/DFTRestriction.h
+++ b/src/storm-dft/storage/dft/elements/DFTRestriction.h
@@ -54,13 +54,7 @@ namespace storm {
             virtual void checkFailsafe(storm::storage::DFTState<ValueType>& state, DFTStateSpaceGenerationQueues<ValueType>& queues) const = 0;
 
             virtual void extendSpareModule(std::set<size_t>& elementsInSpareModule) const override {
-                DFTElement<ValueType>::extendSpareModule(elementsInSpareModule);
-                for(auto const& child : mChildren) {
-                    if(elementsInSpareModule.count(child->id()) == 0) {
-                        elementsInSpareModule.insert(child->id());
-                        child->extendSpareModule(elementsInSpareModule);
-                    }
-                }
+                // Do nothing
             }
 
             virtual std::vector<size_t> independentUnit() const override {