diff --git a/src/mathed/formula.C b/src/mathed/formula.C
index 3145c20f8a..c4c2f0959b 100644
--- a/src/mathed/formula.C
+++ b/src/mathed/formula.C
@@ -26,7 +26,6 @@
 #include "math_support.h"
 #include "math_mathmlstream.h"
 #include "textpainter.h"
-#include "Lsstream.h"
 
 #include "BufferView.h"
 #include "gettext.h"
diff --git a/src/mathed/math_gridinfo.h b/src/mathed/math_gridinfo.h
index bc51b60286..5d3e844767 100644
--- a/src/mathed/math_gridinfo.h
+++ b/src/mathed/math_gridinfo.h
@@ -6,6 +6,7 @@ struct ColInfo
 	ColInfo() : align('c'), rightline(0), leftline(false) {}
 	char   align;      // column alignment
 	string width;      // column width
+	string special;    // special column alignment
 	int    rightline;  // a line on the right?
 	bool   leftline;
 };