diff --git a/src/ext/ext/extGerberImporter.cc b/src/ext/ext/extGerberImporter.cc
index f161ffa6a..9f0c29a0f 100644
--- a/src/ext/ext/extGerberImporter.cc
+++ b/src/ext/ext/extGerberImporter.cc
@@ -263,7 +263,6 @@ GerberFileReader::read_coord (tl::Extractor &ex)
 void
 GerberFileReader::swap_graphics_state (GraphicsState &state)
 {
-  std::swap (m_merge, state.merge);
   std::swap (m_inverse, state.inverse);
   std::swap (m_global_trans, state.global_trans);
   std::swap (m_s, state.m_s);
diff --git a/src/ext/ext/extGerberImporter.h b/src/ext/ext/extGerberImporter.h
index 57d915bf2..19db6207a 100644
--- a/src/ext/ext/extGerberImporter.h
+++ b/src/ext/ext/extGerberImporter.h
@@ -153,14 +153,13 @@ struct GerberMetaData
 struct GraphicsState
 {
   GraphicsState ()
-    : merge (false), inverse (false),
+    : inverse (false),
       m_rot (0.0), m_s (1.0), m_ox (false), m_oy (false), m_mx (false), m_my (false),
       m_orot (0.0), m_os (1.0), m_omx (false), m_omy (false)
   {
     displacements.push_back (db::DVector ());
   }
 
-  bool merge;
   bool inverse;
   db::DCplxTrans global_trans;
   double m_rot;
diff --git a/src/ext/unit_tests/extGerberImport.cc b/src/ext/unit_tests/extGerberImport.cc
index c7f5d1cf0..e35d90dc6 100644
--- a/src/ext/unit_tests/extGerberImport.cc
+++ b/src/ext/unit_tests/extGerberImport.cc
@@ -362,3 +362,13 @@ TEST(X2_4)
 {
   run_test (_this, "x2-4");
 }
+
+TEST(X2_5a)
+{
+  run_test (_this, "x2-5a");
+}
+
+TEST(X2_5b)
+{
+  run_test (_this, "x2-5b");
+}