diff --git a/src/ui/DebugConsole.cc b/src/ui/DebugConsole.cc
index 86bd96b847961884825f5560147ecba0a1a242ae..b687e998f7e11bf67ce1366125836f58dc44d77a 100644
--- a/src/ui/DebugConsole.cc
+++ b/src/ui/DebugConsole.cc
@@ -40,9 +40,6 @@ This file is part of the QGROUNDCONTROL project
 #include "protocol.h"
 #include "QGC.h"
 
-// Set the snapshot interval to 500ms.
-#define DEBUGCONSOLE_SNAPSHOT_INTERVAL 500
-
 DebugConsole::DebugConsole(QWidget *parent) :
     QWidget(parent),
     currLink(NULL),
@@ -60,9 +57,7 @@ DebugConsole::DebugConsole(QWidget *parent) :
     lastLineBuffer(0),
     lineBufferTimer(),
     snapShotTimer(),
-    snapShotInterval(DEBUGCONSOLE_SNAPSHOT_INTERVAL),
     lowpassInDataRate(0.0f),
-    inDataRateThreshold(0.4),
     lowpassOutDataRate(0.0f),
     commandIndex(0),
     m_ui(new Ui::DebugConsole)
diff --git a/src/ui/DebugConsole.h b/src/ui/DebugConsole.h
index 611e01670e10301b5d291bfbe8188b6bef67a7e1..4d9dd648a8f40dfa94b4bd2d309fed944577f8d0 100644
--- a/src/ui/DebugConsole.h
+++ b/src/ui/DebugConsole.h
@@ -137,9 +137,9 @@ protected:
     quint64 lastLineBuffer;   ///< Last line buffer emission time
     QTimer lineBufferTimer;   ///< Line buffer timer
     QTimer snapShotTimer;     ///< Timer for measuring traffic snapshots
-    int snapShotInterval;     ///< Set the time between UI updates for the data rate (ms)
+    static const int snapShotInterval = 500;     ///< Set the time between UI updates for the data rate (ms)
     float lowpassInDataRate;    ///< Lowpass filtered data rate (kilobytes/s)
-    float inDataRateThreshold;  ///< Threshold where to enable auto-hold (kilobytes/s)
+    static const float inDataRateThreshold = 0.4;  ///< Threshold where to enable auto-hold (kilobytes/s)
     float lowpassOutDataRate;   ///< Low-pass filtered outgoing data rate (kilobytes/s)
     QStringList commandHistory;
     QString currCommand;