diff --git a/bin/steps/pipenv b/bin/steps/pipenv
index f1f8e7a3907fc381531d50fa589da927fa16a784..e1ce2bdfa32c5e872d88b2e3afde2d498ecef5d3 100755
--- a/bin/steps/pipenv
+++ b/bin/steps/pipenv
@@ -62,9 +62,6 @@ if [ ! "$SKIP_PIPENV_INSTALL" ]; then
                 puts-step "Installing test dependencies…"
                 /app/.heroku/python/bin/pipenv install --dev --system --deploy 2>&1 | cleanup | indent
             fi
-
-            # Pip freeze, for compatibility.
-            pip freeze > requirements.txt
         fi
     fi
 else
diff --git a/vendor/pip-pop/pip-grep b/vendor/pip-pop/pip-grep
index 9e3371d0ce169c9fddbb14baedec6c5f1eb0b187..59e51904d384509610e623b61ae6fc232e56ceaf 100755
--- a/vendor/pip-pop/pip-grep
+++ b/vendor/pip-pop/pip-grep
@@ -70,4 +70,8 @@ def main():
 
 
 if __name__ == '__main__':
-    main()
+    try:
+        main()
+    except Exception:
+        pass
+