diff --git a/repo2docker/buildpacks/conda/__init__.py b/repo2docker/buildpacks/conda/__init__.py
index e6212d0e..8e818bc4 100644
--- a/repo2docker/buildpacks/conda/__init__.py
+++ b/repo2docker/buildpacks/conda/__init__.py
@@ -191,9 +191,6 @@ class CondaBuildPack(BaseImage):
                     r"""
                 conda env update -p {0} -f "{1}" && \
                 conda clean --all -f -y && \
-                find -L ${{CONDA_DIR}} -type f -name '*.a' -delete && \
-                find -L ${{CONDA_DIR}} -type f -name '*.pyc' -delete && \
-                find -L ${{CONDA_DIR}} -type f -name '*.js.map' -delete && \
                 conda list -p {0}
                 """.format(
                         env_prefix, environment_yml
diff --git a/repo2docker/buildpacks/conda/install-miniconda.bash b/repo2docker/buildpacks/conda/install-miniconda.bash
index f1567cd0..5ee2239d 100755
--- a/repo2docker/buildpacks/conda/install-miniconda.bash
+++ b/repo2docker/buildpacks/conda/install-miniconda.bash
@@ -70,11 +70,6 @@ fi
 # Clean things out!
 conda clean --all -f -y
 
-# Remove static libaries, compiled Python byte code, JS map files
-find -L ${CONDA_DIR} -type f -name '*.a' -delete
-find -L ${CONDA_DIR} -type f -name '*.pyc' -delete
-find -L ${CONDA_DIR} -type f -name '*.js.map' -delete
-
 # Remove the big installer so we don't increase docker image size too much
 rm ${INSTALLER_PATH}