diff --git a/gnu/local.mk b/gnu/local.mk
index 19102113c9..02aa555541 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -975,7 +975,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/cling-use-shared-library.patch		\
   %D%/packages/patches/clucene-pkgconfig.patch			\
   %D%/packages/patches/cmake-curl-certificates.patch		\
-  %D%/packages/patches/cmh-support-fplll.patch      		\
   %D%/packages/patches/coda-use-system-libs.patch		\
   %D%/packages/patches/collectd-5.11.0-noinstallvar.patch		\
   %D%/packages/patches/containerd-create-pid-file.patch		\
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index e5bd12eeb8..87fcca746b 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -294,34 +294,33 @@ GP2C, the GP to C compiler, translates GP scripts to PARI programs.")
 
 (define-public cmh
   (package
-   (name "cmh")
-   (version "1.1.0")
-   (source (origin
-            (method url-fetch)
-            ;; Git repo at <https://gitlab.inria.fr/cmh/cmh>.
-            (uri (string-append "http://www.multiprecision.org/downloads/cmh-"
-                                version ".tar.gz"))
-            (sha256
-             (base32
-              "1ws2yhzxmm2l5xqqqcjcimmg40f9qq5l9i6d4i5434an9v9s8531"))
-             (patches (search-patches "cmh-support-fplll.patch"))))
-   (build-system gnu-build-system)
-   (inputs
-     (list gmp
-           mpfr
-           mpc
-           mpfrcx
-           fplll
-           pari-gp))
-   (synopsis "Igusa class polynomial computations")
-   (description
-    "The CMH software computes Igusa (genus 2) class polynomials, which
+    (name "cmh")
+    (version "1.1.1")
+    (source (origin
+              (method url-fetch)
+              ;; Git repo at <https://gitlab.inria.fr/cmh/cmh>.
+              (uri (string-append
+                    "https://www.multiprecision.org/downloads/cmh-" version
+                    ".tar.gz"))
+              (sha256
+               (base32
+                "0nadvqfmidgks1s7aljsf8dp32pz7vjaxyaym36m9bx4zr8msk91"))))
+    (build-system gnu-build-system)
+    (inputs (list gmp
+                  mpfr
+                  mpc
+                  mpfrcx
+                  fplll
+                  pari-gp))
+    (synopsis "Igusa class polynomial computations")
+    (description
+     "The CMH software computes Igusa (genus 2) class polynomials, which
 parameterize the CM points in the moduli space of 2-dimensional abelian
 varieties, i.e. Jacobians of hyperelliptic curves.
 It can also be used to compute theta constants at arbitrary
 precision.")
-   (license license:gpl3+)
-   (home-page "http://www.multiprecision.org/cmh/home.html")))
+    (license license:gpl3+)
+    (home-page "https://www.multiprecision.org/cmh/home.html")))
 
 (define-public giac
   (package
diff --git a/gnu/packages/patches/cmh-support-fplll.patch b/gnu/packages/patches/cmh-support-fplll.patch
deleted file mode 100644
index fae04f456b..0000000000
--- a/gnu/packages/patches/cmh-support-fplll.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-Patch from the CMH git, after the 1.1.0 release.
-
-From 2328c819317dda2171217002268f57c74cedc476 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Emmanuel=20Thom=C3=A9?= <Emmanuel.Thome@inria.fr>
-Date: Tue, 7 Jun 2022 12:17:05 -0700
-Subject: [PATCH] patch suggested by @x-YVicto
-
----
- src/lll.cpp | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/lll.cpp b/src/lll.cpp
-index 83dab07..f005931 100644
---- a/src/lll.cpp
-+++ b/src/lll.cpp
-@@ -37,7 +37,7 @@
- #ifdef HAVE_FPLLL
- static void lll_fplll (mpz_t *v, mpz_t **M, const int m, const int n)
- {
--   ZZ_mat <mpz_t> Mp (m, n);
-+   fplll::ZZ_mat <mpz_t> Mp (m, n);
-    int i, j;
- 
-    for (i = 0; i < m; i++)
--- 
-2.36.1
-