diff --git a/libxcrypt-4.4.22-fix_Werror_conversion__test_des_obsolete_c.patch b/libxcrypt-4.4.22-fix_Werror_conversion__test_des_obsolete_c.patch
deleted file mode 100644
index b364dfc..0000000
--- a/libxcrypt-4.4.22-fix_Werror_conversion__test_des_obsolete_c.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-From ab819b18673ddce6d9ded84e412cff6b26e394fa Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
-Date: Sun, 13 Jun 2021 12:24:23 +0200
-Subject: [PATCH] test/des-obsolete.c: Fix Werror=conversion.
-
----
- test/des-obsolete.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/test/des-obsolete.c b/test/des-obsolete.c
-index 2955c873..2259e815 100644
---- a/test/des-obsolete.c
-+++ b/test/des-obsolete.c
-@@ -29,7 +29,7 @@ expand (unsigned char ex[64], const unsigned char pk[8])
-     {
-       t = pk[i];
-       for (j = 0; j < 8; j++)
--        ex[i*8 + j] = (t & (0x01u << (7 - j))) != 0;
-+        ex[i*8 + j] = (unsigned char)((t & (0x01u << (7 - j))) != 0);
-     }
- }
- 
diff --git a/libxcrypt-4.4.22-fix_Werror_conversion__test_des_obsolete_r_c.patch b/libxcrypt-4.4.22-fix_Werror_conversion__test_des_obsolete_r_c.patch
deleted file mode 100644
index 1d76441..0000000
--- a/libxcrypt-4.4.22-fix_Werror_conversion__test_des_obsolete_r_c.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-From 087ff50c441b8c819f1ede0f7b322daa227b2137 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
-Date: Sun, 13 Jun 2021 12:36:42 +0200
-Subject: [PATCH] test/des-obsolete_r.c: Fix Werror=conversion.
-
----
- test/des-obsolete_r.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/test/des-obsolete_r.c b/test/des-obsolete_r.c
-index 6113d3f..cbdfb43 100644
---- a/test/des-obsolete_r.c
-+++ b/test/des-obsolete_r.c
-@@ -29,7 +29,7 @@ expand (unsigned char ex[64], const unsigned char pk[8])
-     {
-       t = pk[i];
-       for (j = 0; j < 8; j++)
--        ex[i*8 + j] = (t & (0x01u << (7 - j))) != 0;
-+        ex[i*8 + j] = (unsigned char)((t & (0x01u << (7 - j))) != 0);
-     }
- }
- 
diff --git a/libxcrypt-4.4.22-fix_Werror_conversion_des_obsolete_c.patch b/libxcrypt-4.4.22-fix_Werror_conversion_des_obsolete_c.patch
deleted file mode 100644
index 0a064da..0000000
--- a/libxcrypt-4.4.22-fix_Werror_conversion_des_obsolete_c.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-From 9f39b280c705de2806650c23f0b2bbb5f1319e54 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
-Date: Sun, 13 Jun 2021 12:05:47 +0200
-Subject: [PATCH] lib/crypt-des-obsolete.c: Fix Werror=conversion.
-
----
- lib/crypt-des-obsolete.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/lib/crypt-des-obsolete.c b/lib/crypt-des-obsolete.c
-index 36434d0..a10bb5a 100644
---- a/lib/crypt-des-obsolete.c
-+++ b/lib/crypt-des-obsolete.c
-@@ -85,7 +85,7 @@ unpack_bits (char bytev[64], const unsigned char bitv[8])
-     {
-       c = bitv[i];
-       for (int j = 0; j < 8; j++)
--        bytev[i*8 + j] = (c & (0x01 << (7 - j))) != 0;
-+        bytev[i*8 + j] = (char)((c & (0x01 << (7 - j))) != 0);
-     }
- }
- 
diff --git a/libxcrypt-4.4.22-fix_gensalt_yescrypt_o_size_calculation.patch b/libxcrypt-4.4.22-fix_gensalt_yescrypt_o_size_calculation.patch
deleted file mode 100644
index 0597a44..0000000
--- a/libxcrypt-4.4.22-fix_gensalt_yescrypt_o_size_calculation.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From dc75db8c5f17733d4212201f2554e5d5e093c1b3 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
-Date: Sat, 5 Jun 2021 19:40:39 +0200
-Subject: [PATCH] lib/crypt-yescrypt.c: Fix output calculation for
- gensalt_yescrypt_rn().
-
----
- lib/crypt-yescrypt.c | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/lib/crypt-yescrypt.c b/lib/crypt-yescrypt.c
-index b2daf16..84b7f19 100644
---- a/lib/crypt-yescrypt.c
-+++ b/lib/crypt-yescrypt.c
-@@ -106,8 +106,8 @@ gensalt_yescrypt_rn (unsigned long count,
-                      const uint8_t *rbytes, size_t nrbytes,
-                      uint8_t *output, size_t o_size)
- {
--  if (o_size < 3 + 8 * 6 + BASE64_LEN (nrbytes) + 1 ||
--      CRYPT_GENSALT_OUTPUT_SIZE < 3 + 8 * 6 + BASE64_LEN (nrbytes) + 1)
-+  if (o_size < 3 + 8 * 6 + 1 + BASE64_LEN (nrbytes) + 1 ||
-+      CRYPT_GENSALT_OUTPUT_SIZE < 3 + 8 * 6 + 1 + BASE64_LEN (nrbytes) + 1)
-     {
-       errno = ERANGE;
-       return;
diff --git a/libxcrypt.spec b/libxcrypt.spec
index cd05944..91cb997 100644
--- a/libxcrypt.spec
+++ b/libxcrypt.spec
@@ -163,10 +163,6 @@ URL:            https://github.com/besser82/%{name}
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
 
 # Patch 0000 - 2999: Backported patches from upstream.
-Patch0000:      %{url}/commit/dc75db8c5f17733d4212201f2554e5d5e093c1b3.patch#/%{name}-4.4.22-fix_gensalt_yescrypt_o_size_calculation.patch
-Patch0001:      %{url}/commit/9f39b280c705de2806650c23f0b2bbb5f1319e54.patch#/%{name}-4.4.22-fix_Werror_conversion_des_obsolete_c.patch
-Patch0002:      %{url}/commit/ab819b18673ddce6d9ded84e412cff6b26e394fa.patch#/%{name}-4.4.22-fix_Werror_conversion__test_des_obsolete_c.patch
-Patch0003:      %{url}/commit/087ff50c441b8c819f1ede0f7b322daa227b2137.patch#/%{name}-4.4.22-fix_Werror_conversion__test_des_obsolete_r_c.patch
 
 # Patch 3000 - 5999: Backported patches from pull requests.