diff --git a/include/ignition/physics/SpecifyData.hh b/include/ignition/physics/SpecifyData.hh
index 36da911e7..e242e54c3 100644
--- a/include/ignition/physics/SpecifyData.hh
+++ b/include/ignition/physics/SpecifyData.hh
@@ -48,15 +48,6 @@ namespace ignition
       /// \brief Default constructor
       public: ExpectData();
 
-      /// \brief Copy constructor.
-      /// The copy constructor of the base class, CompositeData, is called
-      /// before this copy constructor and it does the actual copying of the
-      /// data contained in the MapData object of `_other`. Thus, this copy
-      /// constructor simply calls the default constructor to initialize the
-      /// MapData iterator of this object to point the appropriate iterator in
-      /// the newly copied MapData.
-      public: ExpectData(const ExpectData &_other);
-
       /// TODO(anyone) Implement move constructor and assignment operator. Due
       /// to the multiple inheritence used to implement SpcifyData, care must be
       /// taken when implementing move constructs to avoid calling a move
diff --git a/include/ignition/physics/detail/SpecifyData.hh b/include/ignition/physics/detail/SpecifyData.hh
index 056e76394..973e080d5 100644
--- a/include/ignition/physics/detail/SpecifyData.hh
+++ b/include/ignition/physics/detail/SpecifyData.hh
@@ -39,14 +39,6 @@ namespace ignition
       // Do nothing
     }
 
-    /////////////////////////////////////////////////
-    template <typename Expected>
-    ExpectData<Expected>::ExpectData(const ExpectData<Expected> &)
-        : ExpectData()
-    {
-      // Do nothing
-    }
-
     /////////////////////////////////////////////////
     template <typename Expected>
     template <typename Data>