diff --git a/include/utils/SortedVector.h b/include/utils/SortedVector.h
index fd1cb8274..2d3e82a7c 100644
--- a/include/utils/SortedVector.h
+++ b/include/utils/SortedVector.h
@@ -98,8 +98,6 @@ public:
     inline  const TYPE&     itemAt(size_t index) const;
     //! stack-usage of the vector. returns the top of the stack (last element)
             const TYPE&     top() const;
-    //! same as operator [], but allows to access the vector backward (from the end) with a negative index
-            const TYPE&     mirrorItemAt(ssize_t index) const;
 
     /*!
      * modifying the array
@@ -199,15 +197,6 @@ const TYPE& SortedVector<TYPE>::itemAt(size_t index) const {
     return operator[](index);
 }
 
-template<class TYPE> inline
-const TYPE& SortedVector<TYPE>::mirrorItemAt(ssize_t index) const {
-    const size_t i = index>0 ? index : -index;
-    LOG_FATAL_IF(index>=size(),
-            "%s: index=%u out of range (%u)", __PRETTY_FUNCTION__,
-            int(index), int(size()));
-    return *(array() + i);
-}
-
 template<class TYPE> inline
 const TYPE& SortedVector<TYPE>::top() const {
     return *(array() + size() - 1);
diff --git a/include/utils/Vector.h b/include/utils/Vector.h
index 506acae14..7927328e8 100644
--- a/include/utils/Vector.h
+++ b/include/utils/Vector.h
@@ -99,8 +99,6 @@ public:
     inline  const TYPE&     itemAt(size_t index) const;
     //! stack-usage of the vector. returns the top of the stack (last element)
             const TYPE&     top() const;
-    //! same as operator [], but allows to access the vector backward (from the end) with a negative index
-            const TYPE&     mirrorItemAt(ssize_t index) const;
 
     /*!
      * modifying the array
@@ -283,15 +281,6 @@ const TYPE& Vector<TYPE>::itemAt(size_t index) const {
     return operator[](index);
 }
 
-template<class TYPE> inline
-const TYPE& Vector<TYPE>::mirrorItemAt(ssize_t index) const {
-    const size_t i = index>0 ? index : -index;
-    LOG_FATAL_IF(index>=size(),
-            "%s: index=%u out of range (%u)", __PRETTY_FUNCTION__,
-            int(index), int(size()));
-    return *(array() + i);
-}
-
 template<class TYPE> inline
 const TYPE& Vector<TYPE>::top() const {
     return *(array() + size() - 1);