diff --git a/src/UsgsAstroLsSensorModel.cpp b/src/UsgsAstroLsSensorModel.cpp
index 0fe525b34edd7b057609a8f55d4f90fd1ed01c1a..2aa63368fc93e6c42079405d0b1572f69283ba0d 100644
--- a/src/UsgsAstroLsSensorModel.cpp
+++ b/src/UsgsAstroLsSensorModel.cpp
@@ -16,8 +16,6 @@
 //  24-Apr-2017 BAE Systems  Update for CSM 3.0.2
 //  24-OCT-2017 BAE Systems  Update for CSM 3.0.3
 //-----------------------------------------------------------------------------
-#define USGS_SENSOR_LIBRARY
-
 #include "UsgsAstroLsSensorModel.h"
 #include "Utilities.h"
 #include "Distortion.h"
@@ -27,8 +25,6 @@
 #include <sstream>
 #include <math.h>
 
-#define USGSASTROLINESCANNER_LIBRARY
-
 #include <sstream>
 #include <Error.h>
 #include <json.hpp>