diff --git a/Dockerfile b/Dockerfile
index 26f7360..3bfb43c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,25 +42,12 @@ RUN \
 	LCDSUPPORT \
 	LEDSUPPORT \
 	READ_SDT_CHARSETS && \
-  echo "**** attempt to set number of cores available for make to use ****" && \
- set -ex && \
- CPU_CORES=$( < /proc/cpuinfo grep -c processor ) || echo "failed cpu look up" && \
- if echo $CPU_CORES | grep -E  -q '^[0-9]+$'; then \
-	: ;\
- if [ "$CPU_CORES" -gt 7 ]; then \
-	CPU_CORES=$(( CPU_CORES  - 3 )); \
- elif [ "$CPU_CORES" -gt 5 ]; then \
-	CPU_CORES=$(( CPU_CORES  - 2 )); \
- elif [ "$CPU_CORES" -gt 3 ]; then \
-	CPU_CORES=$(( CPU_CORES  - 1 )); fi \
- else CPU_CORES="1"; fi && \
- make -j $CPU_CORES \
+ make \
 	CONF_DIR=/config \
 	DEFAULT_PCSC_FLAGS="-I/usr/include/PCSC" \
 	NO_PLUS_TARGET=1 \
 	OSCAM_BIN=/usr/bin/oscam \
 	pcsc-libusb && \
- set +ex && \
  echo "**** fix broken permissions from pcscd install ****" && \
  chown root:root \
 	/usr/sbin/pcscd && \
diff --git a/README.md b/README.md
index 35e0c5c..7a4ba01 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,7 @@ The web interface is at port 8888.
 
 ## Versions
 
++ **03.01.18:** Deprecate cpu_core routine lack of scaling.
 + **13.12.17:** Rebase to alpine 3.7.
 + **19.10.17:** Add ccid package for usb card readers.
 + **17.10.17:** Switch to using bzr for source code, streamboard awol.