diff --git a/include/core/state_block/has_state_blocks.h b/include/core/state_block/has_state_blocks.h
index 041f3d43ad43fa31ad53ae6306b5e275f2b4b623..a2e57997c68aa4e4e92cc0b060dcc99b228ab1bc 100644
--- a/include/core/state_block/has_state_blocks.h
+++ b/include/core/state_block/has_state_blocks.h
@@ -23,7 +23,6 @@ class HasStateBlocks
         virtual ~HasStateBlocks();
 
         const std::string& getStructure() const {return structure_;}
-        std::string& getStructure() {return structure_;}
         void appendToStructure(const std::string& _frame_type){structure_ += _frame_type;}
         const std::map<std::string, StateBlockPtr>& getStateBlockMap() const;
         std::map<std::string, StateBlockPtr>& getStateBlockMap();