diff --git a/doc/source/install/developer/all-in-one.rst b/doc/source/install/developer/all-in-one.rst
index b8062ea389..f3f5c9175d 100644
--- a/doc/source/install/developer/all-in-one.rst
+++ b/doc/source/install/developer/all-in-one.rst
@@ -53,8 +53,8 @@ necessary
 
 ::
 
-      sudo apt-get update -y
-      sudo apt-get install -y --no-install-recommends -qq \
+      sudo apt-get update
+      sudo apt-get install --no-install-recommends -qq \
               curl \
               docker.io \
               nfs-common \
diff --git a/doc/source/install/multinode.rst b/doc/source/install/multinode.rst
index fd1c00940d..5ea47ef128 100644
--- a/doc/source/install/multinode.rst
+++ b/doc/source/install/multinode.rst
@@ -182,7 +182,7 @@ our hosts. Using our Ubuntu example:
 
 ::
 
-    sudo apt-get install ceph-common -y
+    sudo apt-get install ceph-common
 
 Kubernetes Node DNS Resolution
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~