diff --git a/.appveyor.yml b/.appveyor.yml
index 1bcc493016..e673bde679 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -54,7 +54,6 @@ build_script:
      -DHDF5_ROOT:PATH=%LIB_ROOT% ^
      -DMatio_INCLUDE_DIRS:PATH=%LIB_ROOT%\include ^
      -DMatio_LIBRARIES:PATH=%LIB_ROOT%\lib\libmatio.lib ^
-     -DNetCDF_ROOT:PATH=%LIB_ROOT% ^
      -DNetCDF_FORCE_MODERN:BOOL=ON ^
      -DSEACASExodus_ENABLE_THREADSAFE:BOOL=OFF ^
      -DSEACASIoss_ENABLE_THREADSAFE:BOOL=OFF ^