diff --git a/libfcrypto.changes b/libfcrypto.changes
index cd2d6ec..7634cd0 100644
--- a/libfcrypto.changes
+++ b/libfcrypto.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Nov 23 19:46:16 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Delete system-libs.patch (only needed when _service makes
+  tarballs directly from git)
+
 -------------------------------------------------------------------
 Sun Nov 19 13:51:48 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/libfcrypto.spec b/libfcrypto.spec
index 98b52b6..8241b85 100644
--- a/libfcrypto.spec
+++ b/libfcrypto.spec
@@ -27,13 +27,12 @@ URL:            https://github.com/libyal/libfcrypto
 Source:         https://github.com/libyal/libfcrypto/releases/download/%version/libfcrypto-alpha-%version.tar.gz
 Source2:        https://github.com/libyal/libfcrypto/releases/download/%version/libfcrypto-alpha-%version.tar.gz.asc
 Source9:        %name.keyring
-Patch1:         system-libs.patch
-BuildRequires:  autoconf >= 2.71
 BuildRequires:  c_compiler
 BuildRequires:  gettext-tools >= 0.21
 BuildRequires:  libtool
 BuildRequires:  pkg-config
 BuildRequires:  pkgconfig(libcerror) >= 20220101
+# Various notes: https://en.opensuse.org/libyal
 
 %description
 libfcrypto is a library for encryption formats.
@@ -65,7 +64,6 @@ applications that want to make use of libfcrypto.
 
 %build
 autoreconf -fi
-# see libcdata for version-sc
 echo "V_%version { global: *; };" >v.sym
 %configure --disable-static LDFLAGS="-Wl,--version-script=$PWD/v.sym"
 %make_build
diff --git a/system-libs.patch b/system-libs.patch
deleted file mode 100644
index c4306d2..0000000
--- a/system-libs.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-From: Jan Engelhardt <jengelh@inai.de>
-Date: 2021-05-12 17:36:02.536572543 +0200
-
-Some dirs are not present in snapshots directly generated from git
-(nor are they marked as a submodule). Patch it out, since we have
-them as system libs.
----
- Makefile.am  |    2 --
- configure.ac |    1 -
- 2 files changed, 3 deletions(-)
-
-Index: libfcrypto-20221228/Makefile.am
-===================================================================
---- libfcrypto-20221228.orig/Makefile.am
-+++ libfcrypto-20221228/Makefile.am
-@@ -3,7 +3,6 @@ ACLOCAL_AMFLAGS = -I m4
- SUBDIRS = \
- 	include \
- 	common \
--	libcerror \
- 	libfcrypto \
- 	pyfcrypto \
- 	pyfcrypto-python2 \
-@@ -61,7 +60,6 @@ lib: library
- 
- library:
- 	(cd $(srcdir)/common && $(MAKE) $(AM_MAKEFLAGS))
--	(cd $(srcdir)/libcerror && $(MAKE) $(AM_MAKEFLAGS))
- 	(cd $(srcdir)/libfcrypto && $(MAKE) $(AM_MAKEFLAGS))
- 	(cd $(srcdir)/po && $(MAKE) $(AM_MAKEFLAGS))
- 
-Index: libfcrypto-20221228/configure.ac
-===================================================================
---- libfcrypto-20221228.orig/configure.ac
-+++ libfcrypto-20221228/configure.ac
-@@ -108,7 +108,6 @@ dnl Generate Makefiles
- AC_CONFIG_FILES([Makefile])
- AC_CONFIG_FILES([include/Makefile])
- AC_CONFIG_FILES([common/Makefile])
--AC_CONFIG_FILES([libcerror/Makefile])
- AC_CONFIG_FILES([libfcrypto/Makefile])
- AC_CONFIG_FILES([pyfcrypto/Makefile])
- AC_CONFIG_FILES([pyfcrypto-python2/Makefile])