diff --git a/src/abstractreader.cpp b/src/abstractreader.cpp
--- a/src/abstractreader.cpp
+++ b/src/abstractreader.cpp
@@ -49,5 +49,4 @@ void AbstractReader::addData(double* sam
 {
     _channelMan->addData(samples, length);
     sampleCount += length;
-    emit dataAdded();
 }