diff --git a/all-spark-notebook/Dockerfile b/all-spark-notebook/Dockerfile
index eafee9cd..b2470cb4 100644
--- a/all-spark-notebook/Dockerfile
+++ b/all-spark-notebook/Dockerfile
@@ -20,8 +20,7 @@ RUN apt-get update && \
 USER $NB_USER
 
 # R packages
-RUN conda config --system --add channels r && \
-    conda install --quiet --yes \
+RUN conda install --quiet --yes \
     'r-base=3.3.2' \
     'r-irkernel=0.7*' \
     'r-ggplot2=2.2*' \
diff --git a/minimal-notebook/Dockerfile b/minimal-notebook/Dockerfile
index 3b56ed16..be058cd3 100644
--- a/minimal-notebook/Dockerfile
+++ b/minimal-notebook/Dockerfile
@@ -9,24 +9,25 @@ USER root
 
 # Install all OS dependencies for fully functional notebook server
 RUN apt-get update && apt-get install -yq --no-install-recommends \
-    git \
-    vim \
-    jed \
-    emacs \
     build-essential \
-    python-dev \
-    unzip \
+    emacs \
+    git \
+    inkscape \
+    jed \
     libsm6 \
+    libxext-dev \
+    libxrender1 \
+    lmodern \
     pandoc \
-    texlive-latex-base \
-    texlive-latex-extra \
+    python-dev \
     texlive-fonts-extra \
     texlive-fonts-recommended \
     texlive-generic-recommended \
+    texlive-latex-base \
+    texlive-latex-extra \
     texlive-xetex \
-    lmodern \
-    libxrender1 \
-    inkscape \
+    vim \
+    unzip \
     && apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
diff --git a/r-notebook/Dockerfile b/r-notebook/Dockerfile
index 15747d3d..c9559d54 100644
--- a/r-notebook/Dockerfile
+++ b/r-notebook/Dockerfile
@@ -17,8 +17,7 @@ RUN apt-get update && \
 USER $NB_USER
 
 # R packages
-RUN conda config --system --add channels r && \
-    conda install --quiet --yes \
+RUN conda install --quiet --yes \
     'r-base=3.3.2' \
     'r-irkernel=0.7*' \
     'r-plyr=1.8*' \