diff --git a/134597.diagram b/134597.diagram
deleted file mode 100644
index f17271c..0000000
--- a/134597.diagram
+++ /dev/null
@@ -1,52 +0,0 @@
-format 223
-
-classinstancecanvas 128069 classinstance_ref 128069 // 
-  xyz 10 5 2005 life_line_z 2000
-end
-classinstancecanvas 128197 classinstance_ref 128197 // 
-  xyz 195 4 2000 life_line_z 2000
-end
-classinstancecanvas 128325 classinstance_ref 128325 // 
-  xyz 342 4 2000 life_line_z 2000
-end
-classinstancecanvas 131525 classinstance_ref 128837 // 
-  xyz 580 4 2000 life_line_z 2000
-end
-durationcanvas 130885 classinstance_ref 128069 // :Klient
-  xyzwh 21 62 2010 11 40
-end
-durationcanvas 131013 classinstance_ref 128197 // :bankomat
-  xyzwh 220 63 2010 11 221
-end
-durationcanvas 131653 classinstance_ref 128325 // :system_czytnika_kart
-  xyzwh 396 81 2010 11 83
-end
-durationcanvas 132037 classinstance_ref 131525 // :karta
-  xyzwh 599 227 2010 11 25
-end
-msg 131141 synchronous
-  from durationcanvas_ref 130885
-  to durationcanvas_ref 131013
-  yz 63 2015 explicitmsg "wprowadzKarte()"
-  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
-  label_xy 62 49
-msg 131781 synchronous
-  from durationcanvas_ref 131013
-  to durationcanvas_ref 131653
-  yz 82 2015 explicitmsg "czytajNumerKarty()"
-  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
-  label_xy 266 68
-msg 131909 return
-  from durationcanvas_ref 131653
-  to durationcanvas_ref 131013
-  yz 153 2015 explicitmsg "numerKarty"
-  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
-  label_xy 285 139
-msg 132165 synchronous
-  from durationcanvas_ref 131013
-  to durationcanvas_ref 132037
-  yz 227 2015 explicitmsg "new(numerKarty)"
-  stereotype "<<create>>" xyz 423 239 3000
-  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
-  label_xy 409 210
-end