diff --git a/include/gnuradio/fosphor/glfw_sink_c.h b/include/gnuradio/fosphor/glfw_sink_c.h
index e4faa23..1648ea9 100644
--- a/include/gnuradio/fosphor/glfw_sink_c.h
+++ b/include/gnuradio/fosphor/glfw_sink_c.h
@@ -24,7 +24,7 @@ namespace gr {
     class GR_FOSPHOR_API glfw_sink_c : virtual public base_sink_c
     {
      public:
-      typedef boost::shared_ptr<glfw_sink_c> sptr;
+      typedef std::shared_ptr<glfw_sink_c> sptr;
 
       /*!
        * \brief Return a shared_ptr to a new instance of fosphor::glfw_sink_c.
diff --git a/include/gnuradio/fosphor/qt_sink_c.h b/include/gnuradio/fosphor/qt_sink_c.h
index e75cf7f..4c6ff57 100644
--- a/include/gnuradio/fosphor/qt_sink_c.h
+++ b/include/gnuradio/fosphor/qt_sink_c.h
@@ -27,7 +27,7 @@ namespace gr {
     class GR_FOSPHOR_API qt_sink_c : virtual public base_sink_c
     {
      public:
-      typedef boost::shared_ptr<qt_sink_c> sptr;
+      typedef std::shared_ptr<qt_sink_c> sptr;
 
       /*!
        * \brief Return a shared_ptr to a new instance of fosphor::qt_sink_c.