diff --git a/doc/utils/process.rst b/doc/utils/process.rst
index d6c74a9a..d6aedbd6 100644
--- a/doc/utils/process.rst
+++ b/doc/utils/process.rst
@@ -4,3 +4,4 @@ Process operation utils
 .. autofunction:: moulinette.utils.process.check_output
 .. autofunction:: moulinette.utils.process.call_async_output
 .. autofunction:: moulinette.utils.process.run_commands
+.. autofunction:: moulinette.utils.process.LogPipe
diff --git a/doc/utils/stream.rst b/doc/utils/stream.rst
deleted file mode 100644
index b3205f02..00000000
--- a/doc/utils/stream.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-Stream operation utils
-======================
-
-.. autofunction:: moulinette.utils.stream.LogPipe
diff --git a/moulinette/utils/process.py b/moulinette/utils/process.py
index 40b94358..e3a760d9 100644
--- a/moulinette/utils/process.py
+++ b/moulinette/utils/process.py
@@ -1,4 +1,3 @@
-import time
 import subprocess
 import os
 import threading