diff --git a/configure.ac b/configure.ac
index e9604a6d..113782b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,27 +83,6 @@ if test "x$enable_daemon" = "xyes"; then
   want_python=yes
   want_linux_netns=yes
 
-  # Checks for libraries.
-  AC_CHECK_LIB([netgraph], [NgMkSockNode])
-
-  # Checks for header files.
-  AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h stdint.h stdlib.h string.h sys/ioctl.h sys/mount.h sys/socket.h sys/time.h termios.h unistd.h])
-
-  # Checks for typedefs, structures, and compiler characteristics.
-  AC_C_INLINE
-  AC_TYPE_INT32_T
-  AC_TYPE_PID_T
-  AC_TYPE_SIZE_T
-  AC_TYPE_SSIZE_T
-  AC_TYPE_UINT32_T
-  AC_TYPE_UINT8_T
-
-  # Checks for library functions.
-  AC_FUNC_FORK
-  AC_FUNC_MALLOC
-  AC_FUNC_REALLOC
-  AC_CHECK_FUNCS([atexit dup2 gettimeofday memset socket strerror uname])
-
   AM_PATH_PYTHON(3.6)
   AS_IF([$PYTHON -m grpc_tools.protoc -h &> /dev/null], [], [AC_MSG_ERROR([please install python grpcio-tools])])
 
@@ -160,6 +139,25 @@ fi
 
 if [ test "x$enable_daemon" = "xyes" || test "x$enable_vnodedonly" = "xyes" ] ; then
   want_linux_netns=yes
+
+  # Checks for header files.
+  AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h stdint.h stdlib.h string.h sys/ioctl.h sys/mount.h sys/socket.h sys/time.h termios.h unistd.h])
+
+  # Checks for typedefs, structures, and compiler characteristics.
+  AC_C_INLINE
+  AC_TYPE_INT32_T
+  AC_TYPE_PID_T
+  AC_TYPE_SIZE_T
+  AC_TYPE_SSIZE_T
+  AC_TYPE_UINT32_T
+  AC_TYPE_UINT8_T
+
+  # Checks for library functions.
+  AC_FUNC_FORK
+  AC_FUNC_MALLOC
+  AC_FUNC_REALLOC
+  AC_CHECK_FUNCS([atexit dup2 gettimeofday memset socket strerror uname])
+
   PKG_CHECK_MODULES(libev, libev,
     AC_MSG_RESULT([found libev using pkgconfig OK])
     AC_SUBST(libev_CFLAGS)
diff --git a/docs/gui.md b/docs/gui.md
index 325f2b54..633cf829 100644
--- a/docs/gui.md
+++ b/docs/gui.md
@@ -253,11 +253,10 @@ Here are some standard widgets:
   Only half of the line is drawn because each
   router may be in a different adjacency state with respect to the other.
 * **Throughput** - displays the kilobits-per-second throughput above each link,
-  using statistics gathered from the ng_pipe Netgraph node that implements each
-  link. If the throughput exceeds a certain threshold, the link will become
-  highlighted. For wireless nodes which broadcast data to all nodes in range,
-  the throughput rate is displayed next to the node and the node will become
-  circled if the threshold is exceeded.
+  using statistics gathered from each link. If the throughput exceeds a certain
+  threshold, the link will become highlighted. For wireless nodes which broadcast
+  data to all nodes in range, the throughput rate is displayed next to the node and
+  the node will become circled if the threshold is exceeded.
 
 #### Observer Widgets