diff --git a/.gitignore b/.gitignore
index f102cf2..73d0029 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ Cargo.lock
 composer.h
 __pycache__
 *.pyc
+.DS_Store
 
 # Ignore built libraries.
 *.dylib
diff --git a/python/benchmarks/get-data.sh b/python/benchmarks/get-data.sh
index 4f8a882..f876f15 100755
--- a/python/benchmarks/get-data.sh
+++ b/python/benchmarks/get-data.sh
@@ -21,6 +21,7 @@ rm ml-1m.zip
 cd $TOP
 cd birth_analysis
 gunzip -k babynames.txt.gz
+rm -rf _data
 mkdir -p _data
 mv babynames.txt _data
 ./replicate-csv -i _data/babynames.txt -o  _data/babynames-xlarge.txt -r 80
diff --git a/python/benchmarks/requirements.txt b/python/benchmarks/requirements.txt
index 721920c..17b9ab0 100644
--- a/python/benchmarks/requirements.txt
+++ b/python/benchmarks/requirements.txt
@@ -7,7 +7,6 @@ certifi==2019.3.9
 chardet==3.0.4
 cloudpickle==0.8.1
 cymem==2.0.2
-en-core-web-sm==2.1.0
 idna==2.8
 joblib==0.13.2
 jsonschema==2.6.0