diff --git a/debian/patches/octave3.0.dpatch b/debian/patches/octave3.0.dpatch
+++ /dev/null
@@ -1,52 +0,0 @@
-#! /bin/sh /usr/share/dpatch/dpatch-run
-## octave3.0.dpatch by Thomas Weber <thomas.weber.mail@gmail.com>
-##
-## DP: Changes required to switch to octave3.0.
-
-@DPATCH@
-
---- a/src/octave/pfsopen.cpp
-+++ b/src/octave/pfsopen.cpp
-@@ -54,8 +54,9 @@ DEFUN_DLD( pfsopen, args, , helpString)
- return retval;
- }
-
-- if( !args(0).is_string() && !args(0).is_stream() ) {
-+ if( !args(0).is_string() && !args(0).is_real_scalar() ) {
- error( SCRIPT_NAME ": expected file name or file descriptor as the first argument!");
-+ // file descriptors are represented as integers (stored as doubles) in Octave 3.0
- return retval;
- }
-
-@@ -120,8 +121,7 @@ DEFUN_DLD( pfsopen, args, , helpString)
- }
- } else {
- // File descriptor given
-- octave_stream fid = args(0).stream_value();
-- int fd = dup( fid.file_number() );
-+ int fd = dup( (int) args(0).scalar_value() );
- if( writeMode ) {
- fh = fdopen( fd, "wb" );
- if( fh == NULL ) {
---- a/src/octave/pfsoctavelum
-+++ b/src/octave/pfsoctavelum
-@@ -33,7 +33,7 @@ if( length( argv ) != 1 )
- error( "Expecting exactly one parameter with octave code to be execuded" );
- endif
-
--command = argv{1};
-+command = argv(){1};
-
- ## Add missing ';'
- if( command(length(command)) != ";" )
---- a/src/octave/pfsoctavergb
-+++ b/src/octave/pfsoctavergb
-@@ -33,7 +33,7 @@ if( length( argv ) != 1 )
- error( "Expecting exactly one parameter with octave code to be execuded" );
- endif
-
--command = argv{1};
-+command = argv(){1};
-
- ## Add missing ';'
- if( command(length(command)) != ";" )