diff --git a/Makefile b/Makefile
index 46a1e23..f4fd5a0 100644
--- a/Makefile
+++ b/Makefile
@@ -36,8 +36,6 @@ release: clean test publish
 	@tar czf $(filename) sure setup.py README.rst COPYING
 	@echo "DONE!"
 
-acceptance: clean
-	@steadymark spec/reference.md
 
 .PHONY: docs
 
diff --git a/development.txt b/development.txt
index 463c952..a0cb1a1 100644
--- a/development.txt
+++ b/development.txt
@@ -1,6 +1,5 @@
 -r requirements.txt
 Sphinx==1.4.3
-steadymark==0.7.3
 sphinx-rtd-theme==0.1.9
 tox==2.3.1
 rednose==1.2.1