diff --git a/include/openmc/surface.h b/include/openmc/surface.h
index 5d747b4894..b3f2bdfad6 100644
--- a/include/openmc/surface.h
+++ b/include/openmc/surface.h
@@ -8,7 +8,6 @@
 #include "hdf5.h"
 #include "pugixml.hpp"
 
-#include "dagmc.h"
 #include "openmc/boundary_condition.h"
 #include "openmc/constants.h"
 #include "openmc/memory.h" // for unique_ptr
diff --git a/src/surface.cpp b/src/surface.cpp
index 8c1ed51d19..20aadc6e83 100644
--- a/src/surface.cpp
+++ b/src/surface.cpp
@@ -9,7 +9,6 @@
 
 #include "openmc/array.h"
 #include "openmc/container_util.h"
-#include "openmc/dagmc.h"
 #include "openmc/error.h"
 #include "openmc/hdf5_interface.h"
 #include "openmc/math_functions.h"