diff --git a/documentation/.gitignore b/documentation/.gitignore
index a0241913a9..14fbc4731d 100644
--- a/documentation/.gitignore
+++ b/documentation/.gitignore
@@ -1,17 +1,20 @@
 # Hugo default output directory
 /public
 resources
 
 # Generated content
 toc-examples.adoc
 toc-figures.adoc
 toc-tables.adoc
 toc.adoc
 toc-1.adoc
 toc-2.adoc
 toc-3.adoc
 toc-4.adoc
 toc-5.adoc
 pgpkeys.txt
 
 *.swp
+
+# .hugo_build.lock is an empty file for building hugo projects.
+.hugo_build.lock
diff --git a/documentation/.hugo_build.lock b/documentation/.hugo_build.lock
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/website/.gitignore b/website/.gitignore
index 0bba3cc84e..93f22b74fb 100644
--- a/website/.gitignore
+++ b/website/.gitignore
@@ -1,8 +1,11 @@
 # Hugo default output directory
 /public
 resources
 
 # Autogenerated content
 /data/releases.toml
 
 *.swp
+
+# .hugo_build.lock is an empty file for building hugo projects.
+.hugo_build.lock