diff --git a/README.md b/README.md
index be5276e..04e2de3 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,3 @@ Syntax is similar to C, but differs in many substantial areas.
 It supports interactive execution of statements.
 Bc is a utility included in the POSIX P1003.2/D11 draft standard.
 
-This version does not use the historical method of having bc be a calculator for the dc calculator (the POSIX document doesn't specify how bc must be implemented).
-This version has a single executable that both compiles the language and runs the resulting 'byte code.' The byte code is not the dc language.
-
diff --git a/bc-1.06-configure_flex.patch b/bc-1.06-configure_flex.patch
deleted file mode 100644
index c79e903..0000000
--- a/bc-1.06-configure_flex.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- bc-1.06/configure.orig	2007-12-04 10:29:01.000000000 +0100
-+++ bc-1.06/configure	2007-12-04 10:29:42.000000000 +0100
-@@ -2245,7 +2245,7 @@
- 
- 
- if test "$LEX" = "flex" ; then
-- LEX="flex -I8"
-+ LEX="flex -I -8"
- else
-  if test "$bcrl" = "y" ; then
-   echo "configure: warning: readline works only with flex." 1>&2
diff --git a/bc-1.06-info_exp_bessel.patch b/bc-1.06-info_exp_bessel.patch
deleted file mode 100644
index e3e778d..0000000
--- a/bc-1.06-info_exp_bessel.patch
+++ /dev/null
@@ -1,15 +0,0 @@
---- bc-1.06/doc/bc.info.info_exp_bessel	2003-08-12 14:57:45.000000000 +0200
-+++ bc-1.06/doc/bc.info	2003-08-12 14:57:51.000000000 +0200
-@@ -664,10 +664,10 @@
- `l (X)'
-      The natural logarithm of X.
- 
--`E (X)'
-+`e (X)'
-      The exponential function of raising E to the value X.
- 
--`J (N,X)'
-+`j (N,X)'
-      The bessel function of integer order N of X.
- 
- 
diff --git a/bc-1.06-readline42.patch b/bc-1.06-readline42.patch
deleted file mode 100644
index 37dfaf5..0000000
--- a/bc-1.06-readline42.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- bc-1.06/bc/scan.l.sux	Fri May 11 14:27:20 2001
-+++ bc-1.06/bc/scan.l	Fri May 11 14:27:32 2001
-@@ -143,7 +143,6 @@
- 
- /* Definitions for readline access. */
- extern FILE *rl_instream;
--_PROTOTYPE(char *readline, (char *));
- 
- /* rl_input puts upto MAX characters into BUF with the number put in
-    BUF placed in *RESULT.  If the yy input file is the same as
diff --git a/bc-1.06-string.patch b/bc-1.06-string.patch
deleted file mode 100644
index 2ec471b..0000000
--- a/bc-1.06-string.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- bc-1.06/lib/number.c.string	2007-07-26 15:01:34.000000000 +0200
-+++ bc-1.06/lib/number.c	2007-07-26 15:01:41.000000000 +0200
-@@ -34,6 +34,7 @@
- #include <number.h>
- #include <assert.h>
- #include <stdlib.h>
-+#include <string.h>
- #include <ctype.h>/* Prototypes needed for external utility routines. */
- 
- #define bc_rt_warn rt_warn
diff --git a/bc.spec b/bc.spec
index dd69e8e..4ada6d7 100644
--- a/bc.spec
+++ b/bc.spec
@@ -1,22 +1,17 @@
 Name:          bc
 Version:       1.07.1
-Release:       2mamba
+Release:       3mamba
 Summary:       GNU interactive algebraic language
 Group:         Applications/Mathematics
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Aleph0 <aleph0@openmamba.org>
-URL:           http://www.gnu.org/directory/GNU/bc.html
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://directory.fsf.org/wiki/GNU/bc
 Source:        https://ftp.gnu.org/gnu/bc/bc-%{version}.tar.gz
 Patch0:        %{name}-1.06-info_direntry.patch
-Patch1:        %{name}-1.06-configure_flex.patch
-Patch2:        %{name}-1.06-info_exp_bessel.patch
-Patch3:        %{name}-1.06-string.patch
-Patch4:        %{name}-1.06-readline42.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libfl-devel
 BuildRequires: libncurses-devel
 BuildRequires: libreadline-devel
@@ -26,7 +21,6 @@ BuildRequires: bison
 BuildRequires: texinfo
 BuildRequires: ed
 Requires(post): %{__install_info}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Bc is an arbitrary precision numeric processing language.
@@ -34,19 +28,12 @@ Syntax is similar to C, but differs in many substantial areas.
 It supports interactive execution of statements.
 Bc is a utility included in the POSIX P1003.2/D11 draft standard.
 
-This version does not use the historical method of having bc be a calculator for the dc calculator (the POSIX document doesn't specify how bc must be implemented).
-This version has a single executable that both compiles the language and runs the resulting 'byte code.' The byte code is not the dc language.
-
 %debug_package
 
 %prep
 %setup -q
 %define _default_patch_fuzz 2
 %patch0 -p1
-#%patch1 -p1
-#%patch2 -p1
-#%patch3 -p1
-#%patch4 -p1
 
 %build
 %configure --with-readline
@@ -56,6 +43,8 @@ This version has a single executable that both compiles the language and runs th
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeoldinstall
 
+rm -f %{buildroot}%{_infodir}/dir
+
 %post
 %install_info %{name}.info
 %install_info dc.info
@@ -81,6 +70,9 @@ exit 0
 # FAQ NEWS README Examples/* Changelog
 
 %changelog
+* Fri May 10 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.07.1-3mamba
+- specfile cleanups
+
 * Sat Nov 28 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.07.1-2mamba
 - rebuilt with debug package