diff --git a/lofar-cwl/steps/ms_concat.cwl b/lofar-cwl/steps/ms_concat.cwl
index 8258e62a9b9d49f77cf704f33033a8bff0de8f22..93228fb0af80197b13e6f05ad3afda1a8845dea8 100644
--- a/lofar-cwl/steps/ms_concat.cwl
+++ b/lofar-cwl/steps/ms_concat.cwl
@@ -64,13 +64,13 @@ requirements:
       - entry: $(inputs.msin)
         writable: true
       - entryname: script.sh
-        entry: | 
+        entry: |
           #!/bin/bash
           directories=\$(ls -d out_*)
           #echo \$directories
           mkdir -pv workdir
           cp -r \$directories workdir/. && cd workdir
-          python3 /usr/local/bin/concat_MS_CWL.py \$1 \$2 \$3 \$4 \$directories \$5
+          concat_MS_CWL.py \$1 \$2 \$3 \$4 \$directories \$5
   - class: InplaceUpdateRequirement
     inplaceUpdate: true
   - class: InlineJavascriptRequirement
@@ -78,15 +78,15 @@ stdout: ms_concat.log
 
 
 
-#          
+#
 #          mkdir -pv dirs && cp -rv \$directories dirs/. && cd dirs
 #          directories=\$(ls -d out_*)
-#          
+#
 
       #- entryname: script.sh
       #  entry: |
       #    #!/bin/bash
-      #    
+      #
       #     ls
 
   #- python3
diff --git a/workflows/prefactor_calibrator/ion.cwl b/workflows/prefactor_calibrator/ion.cwl
index d38478bcd69d93cfdd9bb891f4993a6d8dd19131..956b322cbbc173376e2e427c4fc504298d49f4b8 100644
--- a/workflows/prefactor_calibrator/ion.cwl
+++ b/workflows/prefactor_calibrator/ion.cwl
@@ -76,7 +76,6 @@ outputs:
   - id: inspection
     outputSource:
       - losoto_plot_P3/output_plots
-      - losoto_plot_Pd/output_plots
       - losoto_plot_tec/output_plots
       - losoto_plot_tec3rd/output_plots
       - losoto_plot_clock/output_plots
@@ -148,38 +147,6 @@ steps:
     label: losoto_plot_P3
     'sbg:x': 0
     'sbg:y': -200
-  - id: losoto_plot_Pd
-    in:
-      - id: input_h5parm
-        source: clocktec/output_h5parm
-      - id: soltab
-        default: sol000/phaseOrig
-      - id: axesInPlot
-        default:
-          - time
-          - freq
-      - id: axisInTable
-        default: ant
-      - id: axisDiff
-        default: pol
-      - id: minmax
-        default:
-          - -3.14
-          - 3.14
-      - id: plotFlag
-        default: true
-      - id: refAnt
-        source: refant
-      - id: prefix
-        default: ion_ph_poldif
-    out:
-      - id: output_plots
-      - id: logfile
-      - id: parset
-    run: ../../lofar-cwl/steps/LoSoTo.Plot.cwl
-    label: losoto_plot_Pd
-    'sbg:x': 0
-    'sbg:y': -100
   - id: losoto_plot_tec
     in:
       - id: input_h5parm
@@ -324,7 +291,6 @@ steps:
           - inh5parm_logfile
           - clocktec/logfiles
           - losoto_plot_P3/logfile
-          - losoto_plot_Pd/logfile
           - losoto_plot_tec/logfile
           - losoto_plot_tec3rd/logfile
           - losoto_plot_clock/logfile