diff --git a/debian/rules b/debian/rules
index 4a2607df8..523fc1d07 100755
--- a/debian/rules
+++ b/debian/rules
@@ -59,5 +59,5 @@ override_dh_installexamples:
 	dh_installexamples --exclude .gitignore
 
 %:
-	dh $@ --parallel --buildsystem cmake --dbgsym-migration='libgit2-dbg (<< 0.26.0+dfsg.1-1~)' --builddirectory=build-debian-release
-	dh $@ --parallel --buildsystem cmake --builddirectory=build-debian-devel
+	dh $@ --buildsystem cmake --dbgsym-migration='libgit2-dbg (<< 0.26.0+dfsg.1-1~)' --builddirectory=build-debian-release
+	dh $@ --buildsystem cmake --builddirectory=build-debian-devel