diff --git a/common/lib/capa/capa/inputtypes.py b/common/lib/capa/capa/inputtypes.py
index 0b2250f98d..ec1cda83c7 100644
--- a/common/lib/capa/capa/inputtypes.py
+++ b/common/lib/capa/capa/inputtypes.py
@@ -671,18 +671,15 @@ class Crystallography(InputTypeBase):
         """
         Note: height, width are required.
         """
-        return [Attribute('size', None),
-                Attribute('height'),
+        return [Attribute('height'),
                 Attribute('width'),
-
-                # can probably be removed (textline should prob be always-hidden)
-                Attribute('hidden', ''),
                 ]
 
 registry.register(Crystallography)
 
 # -------------------------------------------------------------------------
 
+
 class VseprInput(InputTypeBase):
     """
     Input for molecular geometry--show possible structures, let student
diff --git a/common/lib/capa/capa/templates/crystallography.html b/common/lib/capa/capa/templates/crystallography.html
index 30d9693ecb..79779384c8 100644
--- a/common/lib/capa/capa/templates/crystallography.html
+++ b/common/lib/capa/capa/templates/crystallography.html
@@ -23,19 +23,8 @@
         <div class="incorrect" id="status_${id}">
     % endif
 
-    % if hidden:
-        <div style="display:none;" name="${hidden}" inputid="input_${id}"></div>
-    % endif
 
-    <input type="text" name="input_${id}" id="input_${id}" value="${value|h}"
-        % if size:
-            size="${size}"
-        % endif
-
-        % if hidden:
-            style="display:none;"
-        % endif
-    />
+    <input type="text" name="input_${id}" id="input_${id}" value="${value|h}" style="display:none;"/>
 
     <p class="status">
         % if status == 'unsubmitted':