diff --git a/libs/core/cdutils_core.cpp b/libs/core/cdutils_core.cpp
index 90862f8..a341014 100644
--- a/libs/core/cdutils_core.cpp
+++ b/libs/core/cdutils_core.cpp
@@ -94,7 +94,7 @@ CDCore::CDCore() {
 
 
 CDCore::~CDCore() {
-	x_timer.stop(true);
+	x_timer.stop();
 	datatr.stop();
 	sendt.stop();
 	sendt.waitForFinish(10);
@@ -219,7 +219,6 @@ void CDCore::init(const PIString & configuration, bool pult) {
 
 void CDCore::stop() {
 	x_timer.stop();
-	x_timer.waitForFinish(1000);
 	connection.stop();
 }
 
@@ -239,7 +238,6 @@ void CDCore::startX(double freq) {
 
 void CDCore::stopX() {
 	x_timer.stop();
-	x_timer.waitForFinish(1000);
 }