diff --git a/src/main/python/plot_imageutils.py b/src/main/python/imageutils.py
similarity index 100%
rename from src/main/python/plot_imageutils.py
rename to src/main/python/imageutils.py
diff --git a/src/main/python/input_backend.py b/src/main/python/input_backend.py
index 024c7a8..a7ab740 100644
--- a/src/main/python/input_backend.py
+++ b/src/main/python/input_backend.py
@@ -5,7 +5,7 @@ import requests
 import os
 
 from dbfread import DBF
-import plot_timeutils
+import timeutils
 
 line_colors = ['b', 'r', 'g', 'c', 'm', 'y']
 tname       = CFG("temperatur_plot_name")
@@ -142,7 +142,7 @@ def processExternalData(datapoints, plotNameKey, fromTime, toTime, dtype):
 
         try:
             timeStr, value = l.split(";")
-            timestamp = plot_timeutils.time_from_csv(timeStr, CFG("nff_input_timeformat"))
+            timestamp = timeutils.time_from_csv(timeStr, CFG("nff_input_timeformat"))
 
             datapoints[plotNameKey].data  += [float(value.replace(",","."))]
             datapoints[plotNameKey].times += [timestamp]
@@ -223,7 +223,7 @@ def read_in_file(path, backend=None, outsideData=False, plotOutsideTemp=True, pl
 
 def dbfread(path,datapoints,pt,ph,pd):
         for record in DBF(path):
-            parse_line(datapoints,record,'DATETIME',[ ('TEMPCELS',pt) , ('HUMIDITY',ph) , ('DEWCELS',pd) ] ,plot_timeutils.time_from_dbf)
+            parse_line(datapoints,record,'DATETIME',[ ('TEMPCELS',pt) , ('HUMIDITY',ph) , ('DEWCELS',pd) ] ,timeutils.time_from_dbf)
 
 def csvread(path,datapoints,pt,ph,pd):
         count = 0;
@@ -240,7 +240,7 @@ def csvread(path,datapoints,pt,ph,pd):
                         row["hum"]          = float(row_arg[4])
                         row["taupunkt"]     = float(row_arg[5])
                         parse_line(datapoints,row,'datetime',[ ('temp',pt) , ('hum',ph) , ('taupunkt',pd) ],\
-                                        plot_timeutils.time_from_csv,timeformat="%d-%m-%Y%H:%M:%S")
+                                        timeutils.time_from_csv,timeformat="%d-%m-%Y%H:%M:%S")
         print("Info: Ignored %d lines at beginning of file"%count)
 
 import codecs
@@ -260,7 +260,7 @@ def csvread_txt(path,datapoints,pt,ph,pd):
                         row["hum"]          = float(row_arg[7])
                         row["taupunkt"]     = 0.0
                         parse_line(datapoints,row,'datetime',[ ('temp',pt) , ('hum',ph) , ('taupunkt',pd) ],\
-                                        plot_timeutils.time_from_csv,timeformat="%d-%m-%Y_%H:%M")
+                                        timeutils.time_from_csv,timeformat="%d-%m-%Y_%H:%M")
         except (UnicodeError, IndexError):
             count = csvread_txt_fallback(path,datapoints,pt,ph,pd)
 
@@ -283,7 +283,7 @@ def csvread_txt_fallback(path,datapoints,pt,ph,pd):
                 row["hum"]          = float(hum)
                 row["taupunkt"]     = 0.0
                 parse_line(datapoints,row,'datetime',[ ('temp',pt) , ('hum',ph) , ('taupunkt',pd) ],\
-                                plot_timeutils.time_from_csv,timeformat="%d-%m-%Y_%H:%M")
+                                timeutils.time_from_csv,timeformat="%d-%m-%Y_%H:%M")
     return count
 
 
diff --git a/src/main/python/main.py b/src/main/python/main.py
index 849a796..1bae6aa 100755
--- a/src/main/python/main.py
+++ b/src/main/python/main.py
@@ -15,7 +15,7 @@ import sys
 import datetime as dt
 
 import input_backend
-import plot_main
+import plot
 import config_parse as cp
 
 class WidgetGallery(QDialog):
@@ -180,7 +180,7 @@ class WidgetGallery(QDialog):
         endDateTime   = dt.datetime.combine(self.endDateEdit.date().toPyDate(), zeroTime)
         endDateTime += endTimeOffset
 
-        self.truePath = plot_main.plot(self.datapoints, path=target,
+        self.truePath = plot.plot(self.datapoints, path=target,
                             date1=startDateTime,
                             date2=endDateTime,
                             forcePath=forcePath)
diff --git a/src/main/python/plot_main.py b/src/main/python/plot.py
similarity index 95%
rename from src/main/python/plot_main.py
rename to src/main/python/plot.py
index 4d5cb2f..7bcded9 100644
--- a/src/main/python/plot_main.py
+++ b/src/main/python/plot.py
@@ -15,13 +15,13 @@ import matplotlib.dates
 import matplotlib.ticker as ticker
 
 import plot_graphutils
-import plot_imageutils
-import plot_timeutils
+import imageutils
+import timeutils
 
 
 def plot(datapoints, path=None, date1=None, date2=None, forcePath=False):
         plotname = "" if CFG("name_of_plot") == "None" else CFG("name_of_plot")
-        tup = [None,None,plot_timeutils.between_dates,plotname]
+        tup = [None,None,timeutils.between_dates,plotname]
         return __plot(tup, datapoints, path, date1, date2, forcePath)
                         
 def __plot(tup, datapoints, path, date1=None, date2=None, forcePath=False):
@@ -80,7 +80,7 @@ def __plot(tup, datapoints, path, date1=None, date2=None, forcePath=False):
         tup[FIGURE].savefig(pic_path,dpi=DPI,pad_inches=0.1,bbox_inches='tight',transparent=CFG("transparent_background"))
 
         ### do operations on the finished png ###
-        plot_imageutils.check_and_rotate(pic_path)
+        imageutils.check_and_rotate(pic_path)
 
         return pic_path
 
diff --git a/src/main/python/plot_timeutils.py b/src/main/python/timeutils.py
similarity index 100%
rename from src/main/python/plot_timeutils.py
rename to src/main/python/timeutils.py