diff --git a/libisoburn/burn_wrap.c b/libisoburn/burn_wrap.c
index c7980ee1..f7e579b3 100644
--- a/libisoburn/burn_wrap.c
+++ b/libisoburn/burn_wrap.c
@@ -38,9 +38,6 @@
 
 #endif /* Xorriso_standalonE */
 
-/* <<< remove macro and alternative outdated code */
-#define Libisoburn_on__libburn_after_0_4_2 yes
-
 
 #include "libisoburn.h"
 #include "isoburn.h"
@@ -848,34 +845,6 @@ int isoburn_get_fifo_status(struct burn_drive *d, int *size, int *free_bytes,
 }
 
 
-
-/* >>> todo: throw out the copies of libdax_msgs entrails */
-
-#ifndef Libisoburn_on__libburn_after_0_4_2
-
-/* <<< to be replaced by libburn-0.4.3 API call burn_sev_to_text().
-   This is a copy of libdax_msgs__sev_to_text() which is not exposed
-   by the API of of libburn-0.4.2 . As soon as xorriso gets based on
-   libburn-0.4.4 this redundancy is to be removed.
-   It is safe, nevertheless, because the severity codes are eternal.
-*/
-#define LIBDAX_MSGS_SEV_ALL                                          0x00000000
-#define LIBDAX_MSGS_SEV_ERRFILE                                      0x08000000
-#define LIBDAX_MSGS_SEV_DEBUG                                        0x10000000
-#define LIBDAX_MSGS_SEV_UPDATE                                       0x20000000
-#define LIBDAX_MSGS_SEV_NOTE                                         0x30000000
-#define LIBDAX_MSGS_SEV_HINT                                         0x40000000
-#define LIBDAX_MSGS_SEV_WARNING                                      0x50000000
-#define LIBDAX_MSGS_SEV_SORRY                                        0x60000000
-#define LIBDAX_MSGS_SEV_MISHAP                                       0x64000000
-#define LIBDAX_MSGS_SEV_FAILURE                                      0x68000000
-#define LIBDAX_MSGS_SEV_FATAL                                        0x70000000
-#define LIBDAX_MSGS_SEV_ABORT                                        0x71000000
-#define LIBDAX_MSGS_SEV_NEVER                                        0x7fffffff
-
-#endif /* ! Libisoburn_on__libburn_after_0_4_2 */
-
-
 /* @param flag bit0= -reserved-
                bit1= this is a libburn severity
 */
@@ -884,53 +853,11 @@ int isoburn__sev_to_text(int severity, char **severity_name,
 {
  int ret;
    
-  ret= iso_sev_to_text(severity, severity_name);
-  if(ret>0)
-    return(ret);
-#ifdef Libisoburn_on__libburn_after_0_4_2
-  ret= burn_sev_to_text(severity, severity_name, 0);
-  return(ret);
-#else
-
- if(flag&1) {
-   *severity_name= "NEVER\nABORT\nFATAL\nFAILURE\nSORRY\nWARNING\nHINT\nNOTE\nUPDATE\nDEBUG\nERRFILE\nALL";
-   return(1);
- }
- *severity_name= "";
- if(severity>=LIBDAX_MSGS_SEV_NEVER)
-   *severity_name= "NEVER";
- else if(severity>=LIBDAX_MSGS_SEV_ABORT)
-   *severity_name= "ABORT";
- else if(severity>=LIBDAX_MSGS_SEV_FATAL)
-   *severity_name= "FATAL";
- else if(severity>=LIBDAX_MSGS_SEV_FAILURE)
-   *severity_name= "FAILURE";
- else if(severity>=LIBDAX_MSGS_SEV_MISHAP)
-   *severity_name= "MISHAP";
- else if(severity>=LIBDAX_MSGS_SEV_SORRY)
-   *severity_name= "SORRY";
- else if(severity>=LIBDAX_MSGS_SEV_WARNING)
-   *severity_name= "WARNING";
- else if(severity>=LIBDAX_MSGS_SEV_HINT)
-   *severity_name= "HINT";
- else if(severity>=LIBDAX_MSGS_SEV_NOTE)
-   *severity_name= "NOTE";
- else if(severity>=LIBDAX_MSGS_SEV_UPDATE)
-   *severity_name= "UPDATE";
- else if(severity>=LIBDAX_MSGS_SEV_DEBUG)
-   *severity_name= "DEBUG";
- else if(severity>=LIBDAX_MSGS_SEV_ERRFILE)
-   *severity_name= "ERRFILE";
- else if(severity>=LIBDAX_MSGS_SEV_ALL)
-   *severity_name= "ALL";
- else {
-   *severity_name= "";
-   return(0);
- }
- return(1);
-
-#endif /* ! Libisoburn_on__libburn_after_0_4_2 */
-
+ ret= iso_sev_to_text(severity, severity_name);
+ if(ret>0)
+   return(ret);
+ ret= burn_sev_to_text(severity, severity_name, 0);
+ return(ret);
 }
 
 
@@ -938,21 +865,10 @@ int isoburn__text_to_sev(char *severity_name, int *severity_number, int flag)
 {
  int ret= 1;
 
-  ret= iso_text_to_sev(severity_name, severity_number);
-  if(ret>0)
-    return(ret);
-
-#ifndef Libisoburn_on__libburn_after_0_4_2
- if(severity_name[0]==0)
-   *severity_number= 0;
- else if(strcmp(severity_name, "MISHAP")==0)
-   *severity_number= LIBDAX_MSGS_SEV_MISHAP;
- else if(strcmp(severity_name, "ERRFILE")==0)
-   *severity_number= LIBDAX_MSGS_SEV_ERRFILE;
- else
-#endif /* ! Libisoburn_on__libburn_after_0_4_2 */
-
-   ret= burn_text_to_sev(severity_name, severity_number, 0);
+ ret= iso_text_to_sev(severity_name, severity_number);
+ if(ret>0)
+   return(ret);
+ ret= burn_text_to_sev(severity_name, severity_number, 0);
  return(ret);
 }
 
diff --git a/libisoburn/isoburn.c b/libisoburn/isoburn.c
index cba1eb35..85a29de2 100644
--- a/libisoburn/isoburn.c
+++ b/libisoburn/isoburn.c
@@ -436,25 +436,6 @@ int isoburn_prepare_new_image(struct burn_drive *d, struct burn_disc **disc,
  ret= isoburn_prepare_disc_aux(d, out_drive, disc, opts, 1);
  if (ret<=0)
    return ret;
-
-#ifdef NIX
- struct isoburn *in_o, *out_o;
-
- /* Hand over source reference for optional fifo status inquiry */
- if(out_drive==NULL)
-   return 1;
- ret= isoburn_find_emulator(&out_o, out_drive, 0);
- if(ret<0 || out_o==NULL)
-   return 1;
- ret= isoburn_find_emulator(&in_o, d, 0);
- if(ret<0 || in_o==NULL)
-   return 1; /* then without fifo status inquiry */
- if(out_o->iso_source!=NULL)
-   burn_source_free(out_o->iso_source);
- out_o->iso_source= in_o->iso_source;
- in_o->iso_source= NULL;
-#endif /* NIX */
-
  return 1; 
 }
 
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 536f9161..850954e6 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.06.09.165735"
+#define Xorriso_timestamP "2008.06.10.094304"