diff --git a/.gitignore b/.gitignore
index 4340ce3f4..7e8e71376 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@
 build/
 nrtests/
 upload/
+
+*_export.h
diff --git a/src/outfile/include/swmm_output_export.h b/src/outfile/include/swmm_output_export.h
deleted file mode 100644
index 3396ce6b4..000000000
--- a/src/outfile/include/swmm_output_export.h
+++ /dev/null
@@ -1,42 +0,0 @@
-
-#ifndef EXPORT_OUT_API_H
-#define EXPORT_OUT_API_H
-
-#ifdef SHARED_EXPORTS_BUILT_AS_STATIC
-#  define EXPORT_OUT_API
-#  define SWMM_OUTPUT_NO_EXPORT
-#else
-#  ifndef EXPORT_OUT_API
-#    ifdef swmm_output_EXPORTS
-        /* We are building this library */
-#      define EXPORT_OUT_API __declspec(dllexport)
-#    else
-        /* We are using this library */
-#      define EXPORT_OUT_API __declspec(dllimport)
-#    endif
-#  endif
-
-#  ifndef SWMM_OUTPUT_NO_EXPORT
-#    define SWMM_OUTPUT_NO_EXPORT 
-#  endif
-#endif
-
-#ifndef SWMM_OUTPUT_DEPRECATED
-#  define SWMM_OUTPUT_DEPRECATED __declspec(deprecated)
-#endif
-
-#ifndef SWMM_OUTPUT_DEPRECATED_EXPORT
-#  define SWMM_OUTPUT_DEPRECATED_EXPORT EXPORT_OUT_API SWMM_OUTPUT_DEPRECATED
-#endif
-
-#ifndef SWMM_OUTPUT_DEPRECATED_NO_EXPORT
-#  define SWMM_OUTPUT_DEPRECATED_NO_EXPORT SWMM_OUTPUT_NO_EXPORT SWMM_OUTPUT_DEPRECATED
-#endif
-
-#if 0 /* DEFINE_NO_DEPRECATED */
-#  ifndef SWMM_OUTPUT_NO_DEPRECATED
-#    define SWMM_OUTPUT_NO_DEPRECATED
-#  endif
-#endif
-
-#endif /* EXPORT_OUT_API_H */