diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 9b39c2979e..63f578f03b 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -1394,7 +1394,6 @@ BiblioInfo const & Buffer::localBibInfo() const
 		support::FileNameList::const_iterator en = bibfilesCache.end();
 		for (; ei != en; ++ ei) {
 			time_t lastw = ei->lastModified();
-			LYXERR0(*ei << ", " << lastw << ", " << d->bibfileStatus_[*ei]); 
 			if (lastw != d->bibfileStatus_[*ei]) {
 				d->bibinfoCacheValid_ = false;
 				d->bibfileStatus_[*ei] = lastw;
diff --git a/src/support/FileName.cpp b/src/support/FileName.cpp
index 179184f745..a214052589 100644
--- a/src/support/FileName.cpp
+++ b/src/support/FileName.cpp
@@ -418,9 +418,7 @@ time_t FileName::lastModified() const
 	// QFileInfo caches information about the file. So, in case this file has
 	// been touched between the object creation and now, we refresh the file
 	// information.
-	LYXERR0("File: " << *this << ", " << fromqstr(d->fi.lastModified().toString("dd.MM.yyyy hh:MM")));
 	d->fi.refresh();
-	LYXERR0(fromqstr(d->fi.lastModified().toString("dd.MM.yyyy hh:MM")));
 	return d->fi.lastModified().toTime_t();
 }