diff --git a/debian/rules b/debian/rules
index 38c184f..7b8f796 100755
--- a/debian/rules
+++ b/debian/rules
@@ -7,7 +7,5 @@ export PYBUILD_NAME=tldp
 
 override_dh_installman:
 	(cd docs && \
-	 sphinx-build \
-	        -b man -D today="$(BUILD_DATE)" \
-	        -d _build/doctrees . _build/man)
+	    sphinx-build -b man -d _build/doctrees . _build/man)
 	dh_installman docs/_build/man/ldptool.1