diff --git a/src/schema/objects/metadata.yaml b/src/schema/objects/metadata.yaml
index 1c04e900bb..dc65c95844 100644
--- a/src/schema/objects/metadata.yaml
+++ b/src/schema/objects/metadata.yaml
@@ -3460,8 +3460,6 @@ WaterSuppressionTechnique:
   display_name: Water Suppression Technique
   description: |
     The name of the pulse sequence used for water suppression (for example, `"CHESS"`, `"VAPOR"`).
-    If no water suppression was used (for example, when collecting a water-unsuppressed reference),
-    set as `null`.
   type: string
 WholeBloodAvail:
   name: WholeBloodAvail