diff --git a/sonic-slave-buster/Dockerfile.j2 b/sonic-slave-buster/Dockerfile.j2
index bc6ab531d9..0a2d51ca3e 100644
--- a/sonic-slave-buster/Dockerfile.j2
+++ b/sonic-slave-buster/Dockerfile.j2
@@ -197,24 +197,6 @@ RUN apt-get update && apt-get install -y \
         lua-cjson-dev \
 # For mft kernel module build
         dkms \
-# For python3.5 build
-        sharutils \
-        libncursesw5-dev \
-        libbz2-dev \
-        liblzma-dev \
-        libgdbm-dev \
-        tk-dev \
-        blt-dev \
-        libmpdec-dev \
-        libbluetooth-dev \
-        locales \
-        libsqlite3-dev \
-        libgpm2 \
-        time \
-        net-tools \
-        xvfb \
-        python-sphinx \
-        python3-sphinx \
 # For Jenkins static analysis, unit testing and code coverage
         cppcheck \
         clang \
@@ -337,7 +319,9 @@ RUN apt-get update && apt-get install -y \
         libncurses5-dev      \
         libpcsclite-dev      \
         docbook-to-man       \
-        docbook-utils
+        docbook-utils        \
+# For kdump-tools
+        libbz2-dev
 
 # Build fix for ARMHF buster libsairedis
 {%- if CONFIGURED_ARCH == "armhf" %}
diff --git a/sonic-slave-jessie/Dockerfile.j2 b/sonic-slave-jessie/Dockerfile.j2
index 2914deb784..f103dfb789 100644
--- a/sonic-slave-jessie/Dockerfile.j2
+++ b/sonic-slave-jessie/Dockerfile.j2
@@ -176,24 +176,6 @@ RUN apt-get update && apt-get install -y \
         libjemalloc-dev \
 # For mft kernel module build
         dkms \
-# For python3.5 build
-        sharutils \
-        libncursesw5-dev \
-        libbz2-dev \
-        liblzma-dev \
-        libgdbm-dev \
-        tk-dev \
-        blt-dev \
-        libmpdec-dev \
-        libbluetooth-dev \
-        locales \
-        libsqlite3-dev \
-        libgpm2 \
-        time \
-        net-tools \
-        xvfb \
-        python-sphinx \
-        python3-sphinx \
 # For Jenkins static analysis, unit testing and code coverage
         cppcheck \
         clang \
diff --git a/sonic-slave-stretch/Dockerfile.j2 b/sonic-slave-stretch/Dockerfile.j2
index 53f2791e58..103a9cd778 100644
--- a/sonic-slave-stretch/Dockerfile.j2
+++ b/sonic-slave-stretch/Dockerfile.j2
@@ -196,24 +196,6 @@ RUN apt-get update && apt-get install -y \
         lua-cjson-dev \
 # For mft kernel module build
         dkms \
-# For python3.5 build
-        sharutils \
-        libncursesw5-dev \
-        libbz2-dev \
-        liblzma-dev \
-        libgdbm-dev \
-        tk-dev \
-        blt-dev \
-        libmpdec-dev \
-        libbluetooth-dev \
-        locales \
-        libsqlite3-dev \
-        libgpm2 \
-        time \
-        net-tools \
-        xvfb \
-        python-sphinx \
-        python3-sphinx \
 # For Jenkins static analysis, unit testing and code coverage
         cppcheck \
         clang \
diff --git a/src/python3/.gitignore b/src/python3/.gitignore
deleted file mode 100644
index a0991ff440..0000000000
--- a/src/python3/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-*
-!.gitignore
-!Makefile
diff --git a/src/python3/Makefile b/src/python3/Makefile
deleted file mode 100644
index 1c37e9d06c..0000000000
--- a/src/python3/Makefile
+++ /dev/null
@@ -1,43 +0,0 @@
-.ONESHELL:
-SHELL = /bin/bash
-.SHELLFLAGS += -e
-
-PYTHON_VER=3.6.0
-PYTHON_DEB_VER=1
-PYTHON_PNAME=python3.6
-
-MAIN_TARGET = lib$(PYTHON_PNAME)-minimal_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb
-DERIVED_TARGETS = lib$(PYTHON_PNAME)-stdlib_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb \
-				  lib$(PYTHON_PNAME)_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb \
-				  $(PYTHON_PNAME)-minimal_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb \
-				  $(PYTHON_PNAME)_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb \
-				  lib$(PYTHON_PNAME)-dev_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb
-				  #$(PYTHON_PNAME)-dev_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb
-
-$(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
-	# Remove any stale files
-	rm -rf $(PYTHON_PNAME)-$(PYTHON_VER)
-
-	## Obtaining the python3
-	wget 'https://sonicstorage.blob.core.windows.net/packages/$(PYTHON_PNAME)_$(PYTHON_VER).orig.tar.xz?sv=2015-04-05&sr=b&sig=d42Wh1CA9NZvlskhW4fpWcHVgc7N3IKhdFzyeO2zbRA%3D&se=2027-02-02T01%3A00%3A57Z&sp=r' -O $(PYTHON_PNAME)_$(PYTHON_VER).orig.tar.xz
-	wget 'https://sonicstorage.blob.core.windows.net/packages/$(PYTHON_PNAME)_$(PYTHON_VER)-$(PYTHON_DEB_VER).debian.tar.xz?sv=2015-04-05&sr=b&sig=KLX9pMJ3zpQvGBo6ZjzoZXgooMJRUUwMx8ZaTJtywK0%3D&se=2027-02-02T00%3A59%3A34Z&sp=r' -O $(PYTHON_PNAME)_$(PYTHON_VER)-$(PYTHON_DEB_VER).debian.tar.xz
-	wget 'https://sonicstorage.blob.core.windows.net/packages/$(PYTHON_PNAME)_$(PYTHON_VER)-$(PYTHON_DEB_VER).dsc?sv=2015-04-05&sr=b&sig=95s%2FC4vKY6bRKtkUTz%2BmHLqOllBOYbfP3zV5ayAuzSM%3D&se=2027-02-02T01%3A00%3A26Z&sp=r' -O $(PYTHON_PNAME)_$(PYTHON_VER)-$(PYTHON_DEB_VER).dsc
-
-	## Build
-	dpkg-source -x $(PYTHON_PNAME)_$(PYTHON_VER)-$(PYTHON_DEB_VER).dsc
-	pushd $(PYTHON_PNAME)-$(PYTHON_VER)
-	mk-build-deps
-
-	# put a lock here because dpkg does not allow installing packages in parallel
-	while true; do
-	if mkdir $(DEST)/dpkg_lock &> /dev/null; then
-	{ echo here && (sudo dpkg -i $(PYTHON_PNAME)-build-deps_$(PYTHON_VER)-$(PYTHON_DEB_VER)_$(CONFIGURED_ARCH).deb || sudo apt-get install -f) && rm -d $(DEST)/dpkg_lock && break; } || { rm -d $(DEST)/dpkg_lock && exit 1 ; }
-	fi
-	done
-
-	dpkg-buildpackage -rfakeroot -us -uc -b -j$(SONIC_CONFIG_MAKE_JOBS) --admindir $(SONIC_DPKG_ADMINDIR)
-	popd
-
-	cp $(DERIVED_TARGETS) $* $(DEST)/
-
-$(addprefix $(DEST)/, $(DERIVED_TARGETS)): $(DEST)/% : $(DEST)/$(MAIN_TARGET)