diff --git a/projects/nfstream/build.sh b/projects/nfstream/build.sh
index 8c85e8028..4928a3e5b 100644
--- a/projects/nfstream/build.sh
+++ b/projects/nfstream/build.sh
@@ -15,7 +15,6 @@
 #
 
 python3 -m pip install -U -r dev_requirements.txt
-python3 prepare.py
 python3 -m pip install -U  .
 
 # Build fuzzers in $OUT.