diff --git a/.gitignore b/.gitignore
index 0bc1ec9..894a44c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,9 +66,6 @@ instance/
 # Sphinx documentation
 docs/_build/
 
-# API Reference Guide
-api-ref/build/
-
 # PyBuilder
 target/
 
diff --git a/tox.ini b/tox.ini
index ac6cefd..8eb9e98 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,15 +19,6 @@ deps =
 commands =
   sphinx-build -a -E -W -d doc/build/doctrees -b html doc/source doc/build/html
 
-[testenv:api-ref]
-basepython = python3
-deps =
-    -r{toxinidir}/doc/requirements.txt
-commands =
-  rm -rf api-ref/build
-  sphinx-build -W -b html -d api-ref/build/doctrees api-ref/source api-ref/build/html
-whitelist_externals = rm
-
 [testenv:linters]
 basepython = python3
 whitelist_externals = bash