diff --git a/src/BufferView_pimpl.C b/src/BufferView_pimpl.C
index dee7f7df35..4cc5294765 100644
--- a/src/BufferView_pimpl.C
+++ b/src/BufferView_pimpl.C
@@ -888,7 +888,7 @@ bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
 	//
 	FuncRequest cmd = cmd0;
 	cmd.y += bv_->top_y();
-	lyxerr << "*** workAreaDispatch: request: " << cmd << std::endl;
+	//lyxerr << "*** workAreaDispatch: request: " << cmd << std::endl;
 	LCursor cur(*bv_);
 	switch (cmd.action) {
 #if 0
@@ -967,8 +967,7 @@ bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
 	}
 
 	default:
-		lyxerr << "*** UNDISPATCHED: " << cmd;
-		//owner_->dispatch(cmd);
+		BOOST_ASSERT(false);
 	}
 	return true;
 }
diff --git a/src/cursor.C b/src/cursor.C
index 02c83938ac..2151f6be12 100644
--- a/src/cursor.C
+++ b/src/cursor.C
@@ -77,7 +77,7 @@ void LCursor::reset()
 
 DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
 {
-	//lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
+	lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
 	FuncRequest cmd = cmd0;
 	for (current_ = cursor_.size() - 1; current_ >= 1; --current_) {
 		lyxerr << "trying to dispatch to inset " << inset() << endl;
@@ -108,8 +108,8 @@ DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
 		}
 	}
 	BOOST_ASSERT(current_ == 0);
-	lyxerr << "trying to dispatch to main text " << bv_->text()
-		<< " with cursor: " << *this << endl;
+	//lyxerr << "trying to dispatch to main text " << bv_->text()
+	//	<< " with cursor: " << *this << endl;
 	DispatchResult res = bv_->text()->dispatch(*this, cmd);
 	//lyxerr << "   result: " << res.val() << endl;
 	return res;
diff --git a/src/insets/insetcollapsable.C b/src/insets/insetcollapsable.C
index cbea996dcb..8a285b8e8e 100644
--- a/src/insets/insetcollapsable.C
+++ b/src/insets/insetcollapsable.C
@@ -317,8 +317,8 @@ void InsetCollapsable::edit(LCursor & cur, int x, int y)
 DispatchResult
 InsetCollapsable::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 {
-	lyxerr << "\nInsetCollapsable::priv_dispatch (begin): cmd: " << cmd
-		<< "  button y: " << button_dim.y2 << endl;
+	//lyxerr << "\nInsetCollapsable::priv_dispatch (begin): cmd: " << cmd
+	//	<< "  button y: " << button_dim.y2 << endl;
 	switch (cmd.action) {
 		case LFUN_MOUSE_PRESS:
 			if (status_ == Inlined)
diff --git a/src/insets/insetert.C b/src/insets/insetert.C
index 73d067ec5a..4893e5a2a3 100644
--- a/src/insets/insetert.C
+++ b/src/insets/insetert.C
@@ -210,7 +210,7 @@ int InsetERT::docbook(Buffer const &, ostream & os,
 
 DispatchResult InsetERT::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 {
-	lyxerr << "\nInsetERT::priv_dispatch (begin): cmd: " << cmd << endl;
+	//lyxerr << "\nInsetERT::priv_dispatch (begin): cmd: " << cmd << endl;
 	switch (cmd.action) {
 
 	case LFUN_INSET_MODIFY: {
diff --git a/src/lyxfunc.C b/src/lyxfunc.C
index eee8bb805e..fe8805541d 100644
--- a/src/lyxfunc.C
+++ b/src/lyxfunc.C
@@ -246,10 +246,7 @@ void LyXFunc::processKeySym(LyXKeySymPtr keysym, key_modifier::state state)
 
 	if (func.action == LFUN_SELFINSERT) {
 		if (encoded_last_key != 0) {
-			string arg;
-			arg += encoded_last_key;
-			lyxerr << "SelfInsert arg[`"
-				   << arg << "']" << endl;
+			string arg(1, encoded_last_key);
 			dispatch(FuncRequest(LFUN_SELFINSERT, arg));
 			lyxerr[Debug::KEY]
 				<< "SelfInsert arg[`" << arg << "']" << endl;
diff --git a/src/rowpainter.C b/src/rowpainter.C
index d9f8001afe..cea4f0de89 100644
--- a/src/rowpainter.C
+++ b/src/rowpainter.C
@@ -890,7 +890,7 @@ int paintText(BufferView const & bv)
 	ParagraphList::iterator pit;
 	bv.text()->updateParPositions();
 	bv.text()->getRowNearY(0, pit);
-	lyxerr << "top_y: " << bv.top_y() << " y: " << pit->y << endl;
+	//lyxerr << "top_y: " << bv.top_y() << " y: " << pit->y << endl;
 	return paintPars(bv, *bv.text(), pit, 0, 0, pit->y);
 }