diff --git a/lib/fcd/fcd_source.cc b/lib/fcd/fcd_source.cc
index 38ce7dc..785a67f 100644
--- a/lib/fcd/fcd_source.cc
+++ b/lib/fcd/fcd_source.cc
@@ -116,11 +116,6 @@ std::vector< std::string > fcd_source::get_devices()
   return devices;
 }
 
-gr_basic_block_sptr fcd_source::self()
-{
-  return gr_hier_block2::self();
-}
-
 std::string fcd_source::name()
 {
   return "FUNcube Dongle";
diff --git a/lib/fcd/fcd_source.h b/lib/fcd/fcd_source.h
index 6fa00a3..6c175d1 100644
--- a/lib/fcd/fcd_source.h
+++ b/lib/fcd/fcd_source.h
@@ -46,8 +46,6 @@ public:
 
   static std::vector< std::string > get_devices();
 
-  gr_basic_block_sptr self();
-
   std::string name();
 
   size_t get_num_channels( void );
diff --git a/lib/file/file_source_c.cc b/lib/file/file_source_c.cc
index e62ce60..72bee04 100644
--- a/lib/file/file_source_c.cc
+++ b/lib/file/file_source_c.cc
@@ -94,11 +94,6 @@ file_source_c::~file_source_c()
 {
 }
 
-gr_basic_block_sptr file_source_c::self()
-{
-  return gr_hier_block2::self();
-}
-
 std::string file_source_c::name()
 {
   return "IQ File Source";
diff --git a/lib/file/file_source_c.h b/lib/file/file_source_c.h
index 68f12ab..94d2c0a 100644
--- a/lib/file/file_source_c.h
+++ b/lib/file/file_source_c.h
@@ -42,8 +42,6 @@ private:
 public:
   ~file_source_c();
 
-  gr_basic_block_sptr self();
-
   std::string name();
 
   static std::vector< std::string > get_devices();
diff --git a/lib/rtl_tcp/rtl_tcp_source_c.cc b/lib/rtl_tcp/rtl_tcp_source_c.cc
index 861cf59..72413df 100644
--- a/lib/rtl_tcp/rtl_tcp_source_c.cc
+++ b/lib/rtl_tcp/rtl_tcp_source_c.cc
@@ -125,11 +125,6 @@ rtl_tcp_source_c::~rtl_tcp_source_c()
 {
 }
 
-gr_basic_block_sptr rtl_tcp_source_c::self()
-{
-  return gr_hier_block2::self();
-}
-
 std::string rtl_tcp_source_c::name()
 {
   return "RTL TCP Client";
diff --git a/lib/rtl_tcp/rtl_tcp_source_c.h b/lib/rtl_tcp/rtl_tcp_source_c.h
index 17f4c0c..1c695c3 100644
--- a/lib/rtl_tcp/rtl_tcp_source_c.h
+++ b/lib/rtl_tcp/rtl_tcp_source_c.h
@@ -44,8 +44,6 @@ private:
 public:
   ~rtl_tcp_source_c();
 
-  gr_basic_block_sptr self();
-
   std::string name();
 
   static std::vector< std::string > get_devices();
diff --git a/lib/uhd/uhd_source_c.cc b/lib/uhd/uhd_source_c.cc
index 809516a..79c4e47 100644
--- a/lib/uhd/uhd_source_c.cc
+++ b/lib/uhd/uhd_source_c.cc
@@ -123,11 +123,6 @@ std::vector< std::string > uhd_source_c::get_devices()
   return devices;
 }
 
-gr_basic_block_sptr uhd_source_c::self()
-{
-  return gr_hier_block2::self();
-}
-
 std::string uhd_source_c::name()
 {
 //  uhd::property_tree::sptr prop_tree = _src->get_device()->get_device()->get_tree();
diff --git a/lib/uhd/uhd_source_c.h b/lib/uhd/uhd_source_c.h
index 5ab2963..b97eaea 100644
--- a/lib/uhd/uhd_source_c.h
+++ b/lib/uhd/uhd_source_c.h
@@ -46,8 +46,6 @@ public:
 
   static std::vector< std::string > get_devices();
 
-  gr_basic_block_sptr self();
-
   std::string name();
 
   size_t get_num_channels( void );