diff --git a/gnu/local.mk b/gnu/local.mk
index 5a4c4c0652..3877d1aeb3 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1455,7 +1455,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/llvm-roc-4.0.0-remove-isystem-usr-include.patch \
   %D%/packages/patches/llvm-roc-5.0.0-linkdl.patch \
   %D%/packages/patches/lm-sensors-hwmon-attrs.patch		\
-  %D%/packages/patches/lrcalc-includes.patch    		\
   %D%/packages/patches/lsh-fix-x11-forwarding.patch		\
   %D%/packages/patches/lsof-fatal-test-failures.patch		\
   %D%/packages/patches/lua-CVE-2014-5461.patch                      \
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 3ea79e3971..649dc4e442 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -1617,7 +1617,7 @@ (define-public eclib
 (define-public lrcalc
   (package
     (name "lrcalc")
-    (version "1.2")
+    (version "2.1")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -1626,18 +1626,10 @@ (define-public lrcalc
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "1c12d04jdyxkkav4ak8d1aqrv594gzihwhpxvc6p9js0ry1fahss"))
-              (patches (search-patches "lrcalc-includes.patch"))))
+                "0s3amf3z75hnrjyszdndrvk4wp5p630dcgyj341i6l57h43d1p4k"))))
     (build-system gnu-build-system)
     (native-inputs
      (list autoconf automake libtool))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'build 'fix-permission
-           (lambda _
-             (chmod "lrcalc.maple.src" #o644)
-             #t)))))
     (synopsis "Littlewood-Richardson calculator in algebraic combinatorics")
     (description "The Littlewood-Richardson Calculator (lrcalc) is a
 program designed to compute Littlewood-Richardson coefficients.  It computes
diff --git a/gnu/packages/patches/lrcalc-includes.patch b/gnu/packages/patches/lrcalc-includes.patch
deleted file mode 100644
index e15286905b..0000000000
--- a/gnu/packages/patches/lrcalc-includes.patch
+++ /dev/null
@@ -1,92 +0,0 @@
-Patch taken from the Sage packaging system.
-
-From 4a5e1c8c3c11efdb1cbb4239825a6bf4bf1c52f8 Mon Sep 17 00:00:00 2001
-From: Anders Skovsted Buch <asbuch@math.rutgers.edu>
-Date: Sun, 29 Nov 2015 16:25:56 -0500
-Subject: [PATCH] Patch by Jeroen Demeyer to change include <vector.h> to
- "vector.h", plus similar cases.
-
----
- src/lrcalc.c   | 2 +-
- src/maple.c    | 4 ++--
- src/schublib.h | 2 +-
- src/symfcn.c   | 6 +++---
- src/symfcn.h   | 4 ++--
- 5 files changed, 9 insertions(+), 9 deletions(-)
-
-diff --git a/src/lrcalc.c b/src/lrcalc.c
-index aff3f75..60df49e 100644
---- a/src/lrcalc.c
-+++ b/src/lrcalc.c
-@@ -8,7 +8,7 @@
- #include <stdlib.h>
- extern char *optarg;
- 
--#include <vectarg.h>
-+#include "vectarg.h"
- 
- #include "symfcn.h"
- #include "maple.h"
-diff --git a/src/maple.c b/src/maple.c
-index fdc0768..a5f4d14 100644
---- a/src/maple.c
-+++ b/src/maple.c
-@@ -4,8 +4,8 @@
-  */
- 
- #include <stdio.h>
--#include <vector.h>
--#include <hashtab.h>
-+#include "vector.h"
-+#include "hashtab.h"
- #include "maple.h"
- 
- 
-diff --git a/src/schublib.h b/src/schublib.h
-index a8e8511..864850c 100644
---- a/src/schublib.h
-+++ b/src/schublib.h
-@@ -1,7 +1,7 @@
- #ifndef _SCHUBLIB_H
- #define _SCHUBLIB_H
- 
--#include <hashtab.h>
-+#include "hashtab.h"
- 
- hashtab *trans(vector *w, int vars, hashtab *res);
- hashtab *monk(int i, hashtab *slc, int rank);
-diff --git a/src/symfcn.c b/src/symfcn.c
-index 4ffbe4b..fd5df5d 100644
---- a/src/symfcn.c
-+++ b/src/symfcn.c
-@@ -5,9 +5,9 @@
- 
- #include <stdio.h>
- 
--#include <alloc.h>
--#include <vector.h>
--#include <hashtab.h>
-+#include "alloc.h"
-+#include "vector.h"
-+#include "hashtab.h"
- 
- #include "symfcn.h"
- 
-diff --git a/src/symfcn.h b/src/symfcn.h
-index b8543b1..29bb00d 100644
---- a/src/symfcn.h
-+++ b/src/symfcn.h
-@@ -1,8 +1,8 @@
- #ifndef _SYMFCN_H
- #define _SYMFCN_H
- 
--#include <hashtab.h>
--#include <vector.h>
-+#include "hashtab.h"
-+#include "vector.h"
- 
- int part_itr_sz(vector *part);
- int part_itr_sub(vector *part, vector *outer);
--- 
-2.1.1.1.g1fb337f
-
