diff --git a/tomviz/ExternalPythonExecutor.cxx b/tomviz/ExternalPythonExecutor.cxx
index 82ce12c2b..1c8e18962 100644
--- a/tomviz/ExternalPythonExecutor.cxx
+++ b/tomviz/ExternalPythonExecutor.cxx
@@ -5,7 +5,6 @@
 
 #include "ExternalPythonExecutor.h"
 #include "DataSource.h"
-#include "EmdFormat.h"
 #include "Operator.h"
 #include "OperatorPython.h"
 #include "Pipeline.h"