diff --git a/.abf.yml b/.abf.yml
index 951708d..b54666c 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,6 +1,6 @@
 sources:
   linux-5.15.tar.xz: ac61f2459040c09af1d5abd4ed100c3d316b443e
-  patch-5.15.28.xz: 20337719e70d8bd465f2ffbccd84cd8c3b2b274b
+  patch-5.15.30.xz: 5547d0b15681f3bacd292cb5d99f34df54339880
   public_key_GOST_1.pem: b4fb6bf1cf73824944931a8f0c2cb7bf427e0774
   public_key_GOST_2.pem: cba209bd331f29031c5d945949b230a8d7a4dc12
   public_key_GOST_3.pem: e5a223dd7c556d4d0cac326f5ed9fc12dd769afb
diff --git a/kernel-i586.config b/kernel-i586.config
index fa8fd3f..4299ed2 100644
--- a/kernel-i586.config
+++ b/kernel-i586.config
@@ -3726,6 +3726,7 @@ CONFIG_MT7663_USB_SDIO_COMMON=m
 CONFIG_MT7663U=m
 CONFIG_MT7663S=m
 CONFIG_MT7915E=m
+CONFIG_MT7921E=m
 CONFIG_WLAN_VENDOR_MICROCHIP=y
 CONFIG_WILC1000=m
 CONFIG_WILC1000_SDIO=m
diff --git a/kernel-x86_64.config b/kernel-x86_64.config
index 7611400..dc9c11e 100644
--- a/kernel-x86_64.config
+++ b/kernel-x86_64.config
@@ -3758,6 +3758,7 @@ CONFIG_MT7663_USB_SDIO_COMMON=m
 CONFIG_MT7663U=m
 CONFIG_MT7663S=m
 CONFIG_MT7915E=m
+CONFIG_MT7921E=m
 CONFIG_WLAN_VENDOR_MICROCHIP=y
 CONFIG_WILC1000=m
 CONFIG_WILC1000_SDIO=m
diff --git a/kernel.spec b/kernel.spec
index da56e7b..2ede25d 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -29,7 +29,7 @@
 
 %define	kernelversion 5
 %define	patchlevel 15
-%define	sublevel 28
+%define	sublevel 30
 
 # Release number. Increase this before a rebuild.
 %define	rpmrel 1
@@ -201,7 +201,7 @@ cat %{_builddir}/debugfiles.list >> %{debuginfo_files}
 %define	build_debug	1
 
 # Build kernel-headers package
-%define	build_headers	1
+%define	build_headers	0
 
 # Build perf and cpupower tools
 %define	build_perf	1
@@ -478,6 +478,8 @@ Requires(posttrans):	kmod >= 28-3
 
 # Usually necessary, but sometimes user may want to not install them
 Recommends:	crda
+# Need for virtualbox host
+Recommends:	(kernel-%{tar_ver}-generic-devel if dkms)
 Recommends:	linux-firmware
 Recommends:	microcode
 # Set BFQ as default scheduler for HDDs
@@ -759,6 +761,7 @@ The package contains perf tool and the supporting documentation.
 %{_bindir}/perf-read-vdso32
 %endif
 %{_bindir}/trace
+%{_includedir}/perf/perf_dlfilter.h
 %dir %{_prefix}/libexec/perf-core
 %dir %{_libdir}/traceevent
 %dir %{_libdir}/traceevent/plugins
@@ -850,6 +853,9 @@ should use the 'kernel-devel' package instead.
 %exclude %{_includedir}/cpufreq.h
 %exclude %{_includedir}/cpuidle.h
 %endif
+%if %{build_perf}
+%exclude %{_includedir}/perf/perf_dlfilter.h
+%endif
 %endif
 
 ############################################################################