diff --git a/include/dynamic-graph/command-getter.h b/include/dynamic-graph/command-getter.h
index a76de22f2ebfd965b8ba0aed73442dbe64006b1a..9c60a231063cfb2d6e9d8897a89e7e0ba9a7f198 100644
--- a/include/dynamic-graph/command-getter.h
+++ b/include/dynamic-graph/command-getter.h
@@ -53,7 +53,7 @@ namespace dynamicgraph {
     /// \li prototype of E::getParameter should be exactly as specified in this
     /// example.
     template <class E, typename T>
-    class DYNAMIC_GRAPH_DLLAPI Getter : public Command {
+    class Getter : public Command {
     public:
       /// Pointer to method that sets paramter of type T
       typedef T (E::*GetterMethod) () const;
diff --git a/include/dynamic-graph/command-setter.h b/include/dynamic-graph/command-setter.h
index ad198f6b7b642ea97309b1b1e8149c0d32ff8573..cc8859386f5087d48e8d72dba15aaad8b82b7014 100644
--- a/include/dynamic-graph/command-setter.h
+++ b/include/dynamic-graph/command-setter.h
@@ -53,7 +53,7 @@ namespace dynamicgraph {
     /// \li prototype of E::setParameter should be exactly as specified in this
     /// example.
     template <class E, typename T>
-    class DYNAMIC_GRAPH_DLLAPI Setter : public Command {
+    class Setter : public Command {
     public:
       /// Pointer to method that sets paramter of type T
       typedef void (E::*SetterMethod) (const T&);
diff --git a/include/dynamic-graph/signal-cast-helper.h b/include/dynamic-graph/signal-cast-helper.h
index 62e4ff6baf07aa4ef00dbf9bb90d4a0564ad9d4a..a07738c0d4053764bb6a7441798ff74220c87ae4 100644
--- a/include/dynamic-graph/signal-cast-helper.h
+++ b/include/dynamic-graph/signal-cast-helper.h
@@ -48,8 +48,7 @@ namespace dynamicgraph
       : SignalCastRegisterer (typeid(T), disp, cast, trace)
     {}
 
-    DYNAMIC_GRAPH_DLLAPI
-      static boost::any cast (std::istringstream& iss);
+    static boost::any cast (std::istringstream& iss);
 
     DYNAMIC_GRAPH_DLLAPI
       static void disp (const boost::any& object, std::ostream& os)
diff --git a/include/dynamic-graph/value.h b/include/dynamic-graph/value.h
index d31a711511862cc5f2b7a66fc6f283223f9372e9..8e9bd1ae979616afc2945c44f1a62d05af535959 100644
--- a/include/dynamic-graph/value.h
+++ b/include/dynamic-graph/value.h
@@ -115,6 +115,15 @@ namespace dynamicgraph {
 	static const Value::Type TypeID;
       };
 
+    template<> const Value::Type ValueHelper<bool>::TypeID = Value::BOOL;
+    template<> const Value::Type ValueHelper<unsigned>::TypeID = Value::UNSIGNED;
+    template<> const Value::Type ValueHelper<int>::TypeID = Value::INT;
+    template<> const Value::Type ValueHelper<float>::TypeID = Value::FLOAT;
+    template<> const Value::Type ValueHelper<double>::TypeID = Value::DOUBLE;
+    template<> const Value::Type ValueHelper<std::string>::TypeID = Value::STRING;
+    template<> const Value::Type ValueHelper<Vector>::TypeID = Value::VECTOR;
+    template<> const Value::Type ValueHelper<Matrix>::TypeID = Value::MATRIX;
+
   } // namespace command
 } //namespace dynamicgraph
 
diff --git a/src/command/value.cpp b/src/command/value.cpp
index 68ff3a37795dfcd83be02d167cbec1854708629d..ee8cd41c2b3a7511cbdea9ad5808249c2638ebec 100644
--- a/src/command/value.cpp
+++ b/src/command/value.cpp
@@ -330,15 +330,5 @@ namespace dynamicgraph {
       return os;
     }
 
-    /* ---- HELPER ---------------------------------------------------------- */
-    template<> const Value::Type ValueHelper<bool>::TypeID = Value::BOOL;
-    template<> const Value::Type ValueHelper<unsigned>::TypeID = Value::UNSIGNED;
-    template<> const Value::Type ValueHelper<int>::TypeID = Value::INT;
-    template<> const Value::Type ValueHelper<float>::TypeID = Value::FLOAT;
-    template<> const Value::Type ValueHelper<double>::TypeID = Value::DOUBLE;
-    template<> const Value::Type ValueHelper<std::string>::TypeID = Value::STRING;
-    template<> const Value::Type ValueHelper<Vector>::TypeID = Value::VECTOR;
-    template<> const Value::Type ValueHelper<Matrix>::TypeID = Value::MATRIX;
-
   } // namespace command
 } //namespace dynamicgraph