diff --git a/trunk/src/com/jpexs/decompiler/flash/gui/Main.java b/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
index e3c41bef0..f14fdb8fd 100644
--- a/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
+++ b/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
@@ -1703,14 +1703,6 @@ public class Main {
                     }
                 }
 
-                if (Advapi32Util.registryKeyExists(REG_CLASSES_HKEY, REG_CLASSES_PATH + "SystemFileAssociations")) {
-                    //Remove bad association in older versions (context menu with title "ffdec" instead of "Open with FFDec")
-                    exists = Advapi32Util.registryKeyExists(REG_CLASSES_HKEY, REG_CLASSES_PATH + "SystemFileAssociations\\." + ext + "\\Shell\\" + verb);
-                    if (exists) {
-                        Advapi32Util.registryDeleteKey(REG_CLASSES_HKEY, REG_CLASSES_PATH + "SystemFileAssociations\\." + ext + "\\Shell\\" + verb + "\\Command");
-                        Advapi32Util.registryDeleteKey(REG_CLASSES_HKEY, REG_CLASSES_PATH + "SystemFileAssociations\\." + ext + "\\Shell\\" + verb);
-                    }
-                }
                 //On some systems, file must be associated in SystemFileAssociations too
                 if (Advapi32Util.registryKeyExists(REG_CLASSES_HKEY, REG_CLASSES_PATH + "SystemFileAssociations")) {
                     exists = Advapi32Util.registryKeyExists(REG_CLASSES_HKEY, REG_CLASSES_PATH + "SystemFileAssociations\\." + ext + "\\Shell\\" + verb);