diff --git a/kernel.spec b/kernel.spec
index 60a258c..17ee3c5 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -87,7 +87,7 @@
 %define _use_internal_dependency_generator 1
 
 Name:          kernel
-Version:       4.9.65
+Version:       4.9.71
 Release:       1mamba
 Summary:       The Linux Kernel, the operating system core itself
 Group:         System/Kernel and Hardware
@@ -223,17 +223,6 @@ Requires:      linux-firmware
 Provides:      kernel = %{version}
 Obsoletes:     kernel-%{KERNEL_TARGET}-sound = %{version}
 Obsoletes:     kernel-%{KERNEL_TARGET}-wireless = %{version}
-## KERNELOBSOLETES-BEGIN 3.18
-Obsoletes:     kernel-%{KERNEL_TARGET} < 4.4
-Obsoletes:     kernel-%{KERNEL_TARGET}-sound < 4.4
-Obsoletes:     kernel-%{KERNEL_TARGET}-wireless < 4.4
-Obsoletes:     kernel-%{KERNEL_TARGET} = 4.6.5
-Obsoletes:     kernel-%{KERNEL_TARGET} = 4.8.1
-Obsoletes:     kernel-%{KERNEL_TARGET} = 4.8.13
-#Obsoletes:     kernel-%{KERNEL_TARGET} = %{kernel_majver}.1
-#Obsoletes:     kernel-%{KERNEL_TARGET} = %{kernel_majver}.30
-#Obsoletes:     kernel-%{KERNEL_TARGET} = %{kernel_majver}.43
-## KERNELOBSOLETES-END
 
 %description %{KERNEL_TARGET}
 The Linux Kernel, the operating system core itself.
@@ -247,15 +236,6 @@ Summary:       The source code for the Linux kernel
 Requires:      kernel-%{KERNEL_TARGET}-headers == %{version}-%{release}
 Provides:      kernelsource = %{version}
 Obsoletes:     kernel-alsa-devel
-## KERNELOBSOLETES-BEGIN 3.18
-Obsoletes:     kernel-%{KERNEL_TARGET}-source < 4.4
-Obsoletes:     kernel-%{KERNEL_TARGET}-source = 4.6.5
-Obsoletes:     kernel-%{KERNEL_TARGET}-source = 4.8.1
-Obsoletes:     kernel-%{KERNEL_TARGET}-source = 4.8.13
-#Obsoletes:     kernel-%{KERNEL_TARGET}-source = %{kernel_majver}.1
-#Obsoletes:     kernel-%{KERNEL_TARGET}-source = %{kernel_majver}.30
-#Obsoletes:     kernel-%{KERNEL_TARGET}-source = %{kernel_majver}.43
-## KERNELOBSOLETES-END
 
 %description %{KERNEL_TARGET}-source
 The kernel-source package contains the source code files for the Linux kernel.
@@ -267,15 +247,6 @@ Group:         Development/Kernel
 Summary:       Headers, scripts, configuration and Makefile for the linux kernel
 Requires:      kernel-%{KERNEL_TARGET} == %{version}-%{release}
 Provides:      kernelheaders = %{version}
-## KERNELOBSOLETES-BEGIN 3.18
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers < 4.4
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers = 4.6.5
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers = 4.8.1
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers = 4.8.13
-#Obsoletes:     kernel-%{KERNEL_TARGET}-headers = %{kernel_majver}.1
-#Obsoletes:     kernel-%{KERNEL_TARGET}-headers = %{kernel_majver}.30
-#Obsoletes:     kernel-%{KERNEL_TARGET}-headers = %{kernel_majver}.43
-## KERNELOBSOLETES-END
 
 %description %{KERNEL_TARGET}-headers
 The kernel-headers package contains the headers, scripts, configuration and Makefile to develop with the linux kernel
@@ -286,15 +257,6 @@ This kernel headers are configured for %{TARGET_CPU} architecture and the follow
 Group:         Development/Kernel
 Summary:       Sanitised kernel headers used for glibc build
 Provides:      kernelsanitisedheaders = %{version}
-## KERNELOBSOLETES-BEGIN 3.18
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers-sanitised < 4.4
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers-sanitised = 4.6.5
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers-sanitised = 4.8.1
-Obsoletes:     kernel-%{KERNEL_TARGET}-headers-sanitised = 4.8.13
-#Obsoletes:     kernel-%{KERNEL_TARGET}-headers-sanitised = %{kernel_majver}.1
-#Obsoletes:     kernel-%{KERNEL_TARGET}-headers-sanitised = %{kernel_majver}.30
-#Obsoletes:     kernel-%{KERNEL_TARGET}-headers-sanitised = %{kernel_majver}.43
-## KERNELOBSOLETES-END
 
 %description %{KERNEL_TARGET}-headers-sanitised
 Sanitised kernel headers used for glibc build.
@@ -305,15 +267,6 @@ Group:         System/Kernel and Hardware
 Summary:       Firmware files used by the Linux Kernel
 Provides:      kernelfirmware = %{version}
 Requires:      kernel-%{KERNEL_TARGET} == %{version}-%{release}
-## KERNELOBSOLETES-BEGIN 3.18
-Obsoletes:     kernel-%{KERNEL_TARGET}-firmware < 4.4
-Obsoletes:     kernel-%{KERNEL_TARGET}-firmware = 4.6.5
-Obsoletes:     kernel-%{KERNEL_TARGET}-firmware = 4.8.1
-Obsoletes:     kernel-%{KERNEL_TARGET}-firmware = 4.8.13
-#Obsoletes:     kernel-%{KERNEL_TARGET}-firmware = %{kernel_majver}.1
-#Obsoletes:     kernel-%{KERNEL_TARGET}-firmware = %{kernel_majver}.30
-#Obsoletes:     kernel-%{KERNEL_TARGET}-firmware = %{kernel_majver}.43
-## KERNELOBSOLETES-END
 Provides:      linux_firmware
 
 %description %{KERNEL_TARGET}-firmware
@@ -1029,6 +982,9 @@ exit 0
 /lib/firmware/*
 
 %changelog
+* Thu Dec 21 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.9.71-1mamba
+- update to 4.9.71
+
 * Mon Nov 27 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.9.65-1mamba
 - update to 4.9.65