diff --git a/RTCP/Cobalt/InputProc/src/Delays/Delays.cc b/RTCP/Cobalt/InputProc/src/Delays/Delays.cc
index 466ae68a7203d8acd44d0dc085826d691ef25868..74772f04f4a37eeb51236153b23049b58eab24ba 100644
--- a/RTCP/Cobalt/InputProc/src/Delays/Delays.cc
+++ b/RTCP/Cobalt/InputProc/src/Delays/Delays.cc
@@ -24,11 +24,9 @@
 #include "Delays.h"
 
 #include <Common/LofarLogger.h>
-#include <Common/PrettyUnits.h>
 #include <Common/Thread/Mutex.h>
 #include <Common/Thread/Cancellation.h>
 #include <CoInterface/Exceptions.h>
-#include <CoInterface/BeamCoordinates.h>
 
 #include <measures/Measures/MEpoch.h>
 #include <measures/Measures/MCDirection.h>
@@ -82,9 +80,9 @@ namespace LOFAR
 
 
     // convert a time in samples to a (day,fraction) pair in UTC in a CasaCore format
-    MVEpoch Delays::toUTC(const TimeStamp &timeStamp) const
+    MVEpoch Delays::toUTC(const TimeStamp &timestamp) const
     {
-      double utc_sec = timeStamp.getSeconds() / MVEpoch::secInDay;
+      double utc_sec = timestamp.getSeconds() / MVEpoch::secInDay;
       double day = floor(utc_sec);
       double frac = utc_sec - day;
 
@@ -141,9 +139,9 @@ namespace LOFAR
     }
 
 
-    void Delays::calcDelays( const TimeStamp &timeStamp, AllDelays &result ) {
+    void Delays::calcDelays( const TimeStamp &timestamp, AllDelays &result ) {
       // Set the instant in time in the itsFrame
-      itsFrame.resetEpoch(toUTC(timeStamp));
+      itsFrame.resetEpoch(toUTC(timestamp));
 
       // Convert directions for all beams
       result.resize(parset.settings.SAPs.size());
diff --git a/RTCP/Cobalt/InputProc/src/Delays/Delays.h b/RTCP/Cobalt/InputProc/src/Delays/Delays.h
index ac6062e889f1cc42aa8f601729f2fe4b34d65f8c..a4a8a45b689537f7542d3a7fc49359d2cad766fb 100644
--- a/RTCP/Cobalt/InputProc/src/Delays/Delays.h
+++ b/RTCP/Cobalt/InputProc/src/Delays/Delays.h
@@ -112,7 +112,7 @@ namespace LOFAR
       const TimeStamp itsStartTime;
       const size_t blockSize;
 
-      casa::MVEpoch                       toUTC( const TimeStamp &timeStamp ) const;
+      casa::MVEpoch                       toUTC( const TimeStamp &timestamp ) const;
 
       void                                init();
 
@@ -134,7 +134,7 @@ namespace LOFAR
 
       // Computes the delays for a specific moment in time and stores them
       // in `result'.
-      void calcDelays( const TimeStamp &timeStamp, AllDelays &result );
+      void calcDelays( const TimeStamp &timestamp, AllDelays &result );
 
       // the circular buffer to hold the moving beam directions for every second of data
       std::vector<AllDelays> itsBuffer;