diff --git a/src/zm_analysis_thread.cpp b/src/zm_analysis_thread.cpp
index 7e94313b2..8ad67b6ce 100644
--- a/src/zm_analysis_thread.cpp
+++ b/src/zm_analysis_thread.cpp
@@ -5,7 +5,6 @@
 AnalysisThread::AnalysisThread(Monitor *p_monitor) {
   monitor = p_monitor;
   terminate = false;
-  //sigemptyset(&block_set);
 }
 
 AnalysisThread::~AnalysisThread() {
diff --git a/src/zm_analysis_thread.h b/src/zm_analysis_thread.h
index 085e9bd3a..1adeac3a8 100644
--- a/src/zm_analysis_thread.h
+++ b/src/zm_analysis_thread.h
@@ -3,12 +3,10 @@
 
 #include "zm_monitor.h"
 #include "zm_thread.h"
-#include <csignal>
 
 class AnalysisThread : public Thread {
   private:
     bool terminate;
-    sigset_t block_set;
     Monitor *monitor;
 
   public: