diff --git a/src/mathed/math_decorationinset.C b/src/mathed/math_decorationinset.C
index ba9ab175c2..2b1d87cadb 100644
--- a/src/mathed/math_decorationinset.C
+++ b/src/mathed/math_decorationinset.C
@@ -18,8 +18,6 @@
 #include "math_mathmlstream.h"
 #include "math_streamstr.h"
 
-#include "debug.h"
-
 #include "support/std_ostream.h"
 
 using std::auto_ptr;
@@ -110,7 +108,6 @@ void MathDecorationInset::metrics(MetricsInfo & mi, Dimension & dim) const
 
 void MathDecorationInset::draw(PainterInfo & pi, int x, int y) const
 {
-	lyxerr << "MathDecorationInset::draw: x: " << x << std::endl;
 	cell(0).draw(pi, x + 1, y);
 	if (wide())
 		mathed_draw_deco(pi, x + 1, y + dy_, cell(0).width(), dh_, key_->name);
diff --git a/src/mathed/math_macrotable.C b/src/mathed/math_macrotable.C
index 16ef1dbb9a..a671319cc4 100644
--- a/src/mathed/math_macrotable.C
+++ b/src/mathed/math_macrotable.C
@@ -52,8 +52,8 @@ MathAtom & MathMacroTable::provide(string const & name)
 
 void MathMacroTable::create(MathAtom const & at)
 {
-	lyxerr << "MathMacroTable::create: '"
-		<< at->asMacroTemplate()->name() << "'" << endl;
+	//lyxerr << "MathMacroTable::create: '"
+	//	<< at->asMacroTemplate()->name() << "'" << endl;
 	macro_table[at->asMacroTemplate()->name()] = at;
 }
 
diff --git a/src/mathed/math_support.C b/src/mathed/math_support.C
index f1f979a902..ea2ccd667d 100644
--- a/src/mathed/math_support.C
+++ b/src/mathed/math_support.C
@@ -458,14 +458,6 @@ void mathed_draw_deco(PainterInfo & pi, int x, int y, int w, int h,
 				int(x + xx + 0.5), int(y + yy + 0.5),
 				int(x + x2 + 0.5), int(y + y2 + 0.5),
 				LColor::math);
-
-			lyxerr << "drew line "
-			       << "xx=" << xx << ", yy=" << yy
-			       << ", x2 = " << x2 << ", y2 = " << y2 << '\n'
-			       << int(x + xx + 0.5) << ", "
-			       << int(y + yy + 0.5) << ", "
-			       << int(x + x2 + 0.5) << ", "
-			       << int(y + y2 + 0.5) << std::endl;
 		} else {
 			int xp[32];
 			int yp[32];