diff --git a/app/classes/query/image_with_observations.rb b/app/classes/query/image_with_observations.rb
index b1a937f072..ba0b580bfb 100644
--- a/app/classes/query/image_with_observations.rb
+++ b/app/classes/query/image_with_observations.rb
@@ -11,10 +11,9 @@ class ImageWithObservations < Query::ImageBase
 
     def parameter_declarations
       super.merge(
-        old_title?: :string,
-        old_by?: :string,
         ids?: [Observation]
       ).merge(observations_parameter_declarations).
+        merge(observations_coercion_parameter_declarations).
         merge(bounding_box_parameter_declarations).
         merge(content_filter_parameter_declarations(Observation)).
         merge(naming_consensus_parameter_declarations)
diff --git a/app/classes/query/initializers/locations.rb b/app/classes/query/initializers/locations.rb
index b73b4a836d..7aa5738a1d 100644
--- a/app/classes/query/initializers/locations.rb
+++ b/app/classes/query/initializers/locations.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Query
   module Initializers
     # initializing methods inherited by all Query's for Locations
diff --git a/app/classes/query/initializers/observations.rb b/app/classes/query/initializers/observations.rb
index 7c2fedbb68..87d2350d47 100644
--- a/app/classes/query/initializers/observations.rb
+++ b/app/classes/query/initializers/observations.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Query
   module Initializers
     # initializing methods inherited by all Query's for Observations
@@ -29,6 +31,14 @@ def observations_parameter_declarations
           confidence?: [:float]
         }
       end
+
+      def observations_coercion_parameter_declarations
+        {
+          old_title?: :string,
+          old_by?: :string,
+          date?: [:date]
+        }
+      end
     end
   end
 end
diff --git a/app/classes/query/location_with_observations.rb b/app/classes/query/location_with_observations.rb
index 42d425477e..d62e15b1ef 100644
--- a/app/classes/query/location_with_observations.rb
+++ b/app/classes/query/location_with_observations.rb
@@ -10,11 +10,9 @@ class LocationWithObservations < Query::LocationBase
 
     def parameter_declarations
       super.merge(
-        old_title?: :string,
-        old_by?: :string,
-        date?: [:date],
         ids?: [Observation]
       ).merge(observations_parameter_declarations).
+        merge(observations_coercion_parameter_declarations).
         merge(content_filter_parameter_declarations(Observation)).
         merge(names_parameter_declarations).
         merge(naming_consensus_parameter_declarations)
diff --git a/app/classes/query/name_with_observations.rb b/app/classes/query/name_with_observations.rb
index f8dcf5d29b..687b87a778 100644
--- a/app/classes/query/name_with_observations.rb
+++ b/app/classes/query/name_with_observations.rb
@@ -11,11 +11,9 @@ class NameWithObservations < Query::NameBase
 
     def parameter_declarations
       super.merge(
-        old_title?: :string,
-        old_by?: :string,
-        date?: [:date],
         ids?: [Observation]
       ).merge(observations_parameter_declarations).
+        merge(observations_coercion_parameter_declarations).
         merge(bounding_box_parameter_declarations).
         merge(content_filter_parameter_declarations(Observation)).
         merge(naming_consensus_parameter_declarations)
diff --git a/app/classes/query/observation_base.rb b/app/classes/query/observation_base.rb
index eafb694d41..dabb651c0f 100644
--- a/app/classes/query/observation_base.rb
+++ b/app/classes/query/observation_base.rb
@@ -41,7 +41,7 @@ def local_parameter_declarations
         regexp?: :string, # for coercions from location
         needs_naming?: :boolean,
         in_clade?: :string,
-        in_region?: :string,
+        in_region?: :string
       }
     end