diff --git a/src/hacks/hacks.cpp b/src/hacks/hacks.cpp
index 61ffc9b3d..a4123a9ad 100644
--- a/src/hacks/hacks.cpp
+++ b/src/hacks/hacks.cpp
@@ -17,10 +17,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#include <sstream>
-
-#include <belle-sip/headers.h>
-
 #include "hacks.h"
 
 // =============================================================================
@@ -29,6 +25,4 @@ using namespace std;
 
 LINPHONE_BEGIN_NAMESPACE
 
-// -----------------------------------------------------------------------------
-
 LINPHONE_END_NAMESPACE
diff --git a/src/hacks/hacks.h b/src/hacks/hacks.h
index 363910fcb..5e58d07fa 100644
--- a/src/hacks/hacks.h
+++ b/src/hacks/hacks.h
@@ -32,9 +32,9 @@ LINPHONE_BEGIN_NAMESPACE
 // can be located more easily.
 class Hacks {
 public:
+	Hacks () = delete;
 
 private:
-	Hacks () = default;
 
 	L_DISABLE_COPY(Hacks);
 };