diff --git a/srcpkgs/m4/patches/missing_S_ISDIR_reference.patch b/srcpkgs/m4/patches/missing_S_ISDIR_reference.patch
deleted file mode 100644
index a40d07249caacf..00000000000000
--- a/srcpkgs/m4/patches/missing_S_ISDIR_reference.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- a/src/path.c.orig	2010-05-10 10:53:12.000000000 +0200
-+++ b/src/path.c	2010-05-10 10:54:06.000000000 +0200
-@@ -24,6 +24,10 @@
- 
- #include "m4.h"
- 
-+#include <sys/types.h>
-+#include <sys/stat.h>
-+#include <unistd.h>
-+
- struct includes
- {
-   struct includes *next;        /* next directory to search */
diff --git a/srcpkgs/m4/patches/ppc-musl.patch b/srcpkgs/m4/patches/ppc-musl.patch
deleted file mode 100644
index 6ba37f23359160..00000000000000
--- a/srcpkgs/m4/patches/ppc-musl.patch
+++ /dev/null
@@ -1,14 +0,0 @@
---- a/lib/sigsegv.c
-+++ b/lib/sigsegv.c
-@@ -221,8 +221,10 @@ int libsigsegv_version = LIBSIGSEGV_VERSION;
- /* both should be equivalent */
- #   if 0
- #    define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.regs->gpr[1]
--#   else
-+#   elif defined(__GLIBC__)
- #    define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.uc_regs->gregs[1]
-+#   else
-+#    define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.gregs[1]
- #   endif
- #  endif
- 
diff --git a/srcpkgs/m4/template b/srcpkgs/m4/template
index a25de6b89e3206..398c786f2f26da 100644
--- a/srcpkgs/m4/template
+++ b/srcpkgs/m4/template
@@ -1,6 +1,6 @@
 # Template file for 'm4'
 pkgname=m4
-version=1.4.19
+version=1.4.21
 revision=1
 bootstrap=yes
 build_style=gnu-configure
@@ -10,7 +10,7 @@ maintainer="Enno Boland <gottox@voidlinux.org>"
 license="GPL-3.0-or-later"
 homepage="https://www.gnu.org/software/m4/"
 distfiles="${GNU_SITE}/${pkgname}/${pkgname}-${version}.tar.xz"
-checksum=63aede5c6d33b6d9b13511cd0be2cac046f2e70fd0a07aa9573a04a82783af96
+checksum=f25c6ab51548a73a75558742fb031e0625d6485fe5f9155949d6486a2408ab66
 replaces="chroot-m4>=0"
 
 if [ "$XBPS_TARGET_LIBC" = musl ]; then