diff --git a/src/main/com/yetanalytics/datasim/input.clj b/src/main/com/yetanalytics/datasim/input.clj
index 8f84b48a..0934a8b3 100644
--- a/src/main/com/yetanalytics/datasim/input.clj
+++ b/src/main/com/yetanalytics/datasim/input.clj
@@ -26,7 +26,7 @@
 ;; alignments input vector, and the inner vector associated with each actor.
 ;; Find separate names for each.
 (s/def ::alignments
-  ::alignments/alignments-input)
+  ::alignments/alignments-vector)
 
 (s/def ::parameters
   ::params/parameters)
diff --git a/src/main/com/yetanalytics/datasim/input/alignments.clj b/src/main/com/yetanalytics/datasim/input/alignments.clj
index 00621755..fddd06a6 100644
--- a/src/main/com/yetanalytics/datasim/input/alignments.clj
+++ b/src/main/com/yetanalytics/datasim/input/alignments.clj
@@ -74,10 +74,6 @@
 (s/def ::alignment-vector
   (s/every ::actor-alignment))
 
-;; Alignment input
-(s/def ::alignments-input
-  (s/keys :req-un [::alignment-vector]))
-
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Validation
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;