diff --git a/Dockerfile b/Dockerfile
index f80b1ea..a777a49 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,55 +16,6 @@ RUN apt-get update && apt-get install -y \
     apt-utils=2.0.9 \
     gdebi-core=0.9.5.7+nmu3 \
     dpkg-sig=0.13.1+nmu4 \
-    manpages=5.05-1 \
-    man-db=2.9.1-1 \
-    manpages-posix=2013a-2 \
-    tree=1.8.0-1 \
     && rm -rf /var/lib/apt/lists/*
 
-RUN conda config --set channel_priority strict && \
-    mamba install -y -n base -c conda-forge --override-channels bash_kernel nb_conda_kernels
-
-COPY programming-R.yaml /tmp
-RUN mamba env create --file /tmp/programming-R.yaml && \
-    mamba clean -afy
-
-COPY chipseq.yml /tmp
-RUN mamba env create --file /tmp/chipseq.yml && \
-    mamba clean -afy
-
-COPY gwas.yml /tmp
-RUN mamba env create --file /tmp/gwas.yml && \
-    mamba clean -afy
-
-COPY stats.yml /tmp
-RUN mamba env create --file /tmp/stats.yml && \
-    mamba clean -afy
-
-COPY scrna-seq.yml /tmp
-RUN mamba env create --file /tmp/scrna-seq.yml && \
-    mamba clean -afy
-
-COPY imgproc.yml /tmp
-RUN mamba env create --file /tmp/imgproc.yml && \
-    mamba clean -afy
-    
-COPY rna-seq.yaml /tmp
-RUN mamba env create --file /tmp/rna-seq.yaml && \
-    mamba clean -afy
-
-COPY spatial-tx.yml /tmp
-RUN mamba env create --file /tmp/spatial-tx.yml && \
-    mamba clean -afy
-
-COPY variant_calling.yml /tmp
-RUN mamba env create --file /tmp/variant_calling.yml && \
-    mamba clean -afy
-
-COPY networks.yml /tmp
-RUN mamba env create --file /tmp/networks.yml && \
-    mamba clean -afy
-
-RUN yes | unminimize || echo "done"
-
 USER $NB_USER