1 files changed, 4 insertions, 4 deletions
diff --git a/gr-uhd/lib/gr_uhd_usrp_source.cc b/gr-uhd/lib/gr_uhd_usrp_source.cc
index fd0cf9d94..ba87ae8e0 100644
--- a/gr-uhd/lib/gr_uhd_usrp_source.cc
+++ b/gr-uhd/lib/gr_uhd_usrp_source.cc
@@ -70,12 +70,12 @@ public:
         _dev = uhd::usrp::multi_usrp::make(device_addr);
     }
 
-    std::vector<std::string> list_property_tree(const std::string &path){
-        return _dev->list_property_tree(path);
-    }
-
     uhd::dict<std::string, std::string> get_usrp_info(size_t mboard, size_t chan){
+        #ifdef UHD_USRP_MULTI_USRP_GET_USRP_INFO_API
         return _dev->get_usrp_info(mboard, chan);
+        #else
+        throw std::runtime_error("not implemented in this version");
+        #endif
     }
 
     void set_subdev_spec(const std::string &spec, size_t mboard){