diff --git a/Dockerfile b/Dockerfile
index 291e510..6715a78 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,13 +12,10 @@ RUN apt update \
                       bash \
                       git \
                       ca-certificates \
-                      curl \
-                      gpg \
-                      dirmngr
                       libssl-dev
 
 COPY docker/entrypoint.sh /tmp
 COPY src/ /tmp
 WORKDIR /tmp
 CMD /tmp/entrypoint.sh
-CMD bash
+#CMD bash
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index 8dd93b7..049580f 100755
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -1,11 +1,8 @@
 #!/bin/bash
 
 # Entrypoint for reform-build-kernel docker image
-OUTPUT="/output/$KERNEL_VERSION"
 
-[[ -d "$OUTPUT" ]] || mkdir "$OUTPUT"
-
-if [ -f "$OUTPUT/Image" ]
+if [ -f /output/Image ]
 then
     printf "Kernel image exist in destination aborting compilation.\n"
     exit 0
@@ -13,9 +10,9 @@ fi
 
 if ./make_kernel.sh
 then
-    cp linux/arch/arm64/boot/Image "$OUTPUT"
-    cp linux/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dtb "$OUTPUT/imx8mq-mnt-reform2-single-display.dtb"
-    cp linux/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2-hdmi.dtb "$OUTPUT/imx8mq-mnt-reform2-dual-display.dtb"
+    cp linux/arch/arm64/boot/Image /output/
+    cp linux/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dtb /output/imx8mq-mnt-reform2-single-display.dtb
+    cp linux/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2-hdmi.dtb /output/imx8mq-mnt-reform2-dual-display.dtb
 else
     printf "Error when building Kernel\n" 1>&2
     exit 10
diff --git a/src/make_kernel.sh b/src/make_kernel.sh
index c1a085b..2f52094 100755
--- a/src/make_kernel.sh
+++ b/src/make_kernel.sh
@@ -23,42 +23,10 @@ function error {
     >&2 printf "\e[31mE\e[0m %s\n" "$1"
 }
 
-function download {
-
-    local filename url http_response
-    filename="$1"
-    url="$2"
-
-    printf "Downloading %s: " "$filename"
-    http_response=$(curl -o /dev/null -s -L -I -w "%{http_code}\n" "$url")
-    if [ "$http_response" -eq 200 ]
-    then
-        if curl -o "$filename" "$url" -s >/dev/null 2>&1 
-        then
-            printf " done\n"
-        else
-            printf "unknown error\n"
-            return 1
-        fi
-    else
-        printf "error 404\n"
-        return 1
-    fi
-    return 0
-}
-
 export ARCH=arm64
 #export LOADADDR=0x40480000
 export CROSS_COMPILE=aarch64-linux-gnu-
-
-for c in curl gunzip tar gpg git
-do
-    if ! command -v "$c" >/dev/null
-    then
-        error "This script need $c to work properly"
-        exit 5
-    fi
-done
+GIT_URL="https://github.com/torvalds/linux/"
 
 if [ ! -z $1 ]
 then
@@ -69,49 +37,20 @@ if [ -z "$KERNEL_VERSION" ]
 then
     error "You need to define KERNEL_VERSION env variable"
     usage
-    exit 1
+    exit 10
 fi
 
-major_version=$(echo "$KERNEL_VERSION" | awk -F "." '{print $1}')
-url="https://cdn.kernel.org/pub/linux/kernel/v${major_version}.x/linux-${KERNEL_VERSION}.tar.xz"
-url_sign="https://cdn.kernel.org/pub/linux/kernel/v${major_version}.x/linux-${KERNEL_VERSION}.tar.sign" 
-
 if [ ! -d linux ]
 then
-
-    printf "Get Linux source file for version %s\n" "${KERNEL_VERSION}"
-    if ! gpg --locate-keys torvalds@kernel.org gregkh@kernel.org >/dev/null
+    printf "Cloning Linux...\n"
+    # temporary linux 5.11rc7 commit
+    if ! git clone --depth 1 --branch=v${KERNEL_VERSION} $GIT_URL
     then
-        error "Can't get gpg pubkey for Linux Torvald and Greg Kroah-Hartman"
-        exit 10
-    fi
-    
-    if ! download linux.tar.xz "$url"
-    then
-        error "Can't get linux tarball, check version"
+        error "Can't clone Linux, check version"
         exit 11
     fi
-
-    if ! download linux.tar.sign "$url_sign"
-    then
-        error "Can't get linux tarball, check version"
-        exit 11
-    fi
-
-    # verify signature
-    if ! xz -cd linux.tar.xz | gpg --trust-model tofu --verify linux.tar.sign - >/dev/null
-    then
-        error "problem with signature"
-        exit 12
-    fi
-    if ! xz -cd linux.tar.xz | tar -x
-    then
-        error "Cant extract linux tarball"
-        exit 13
-    fi
-    mv "linux-${KERNEL_VERSION}" linux
 fi
-exit 0
+
 cp ./dts/*.dts ./linux/arch/arm64/boot/dts/freescale/
 cp ./kernel-config ./linux/.config