diff --git a/app/helpers/tabs/observations_helper.rb b/app/helpers/tabs/observations_helper.rb
index 441dd9b574..c04baecd05 100644
--- a/app/helpers/tabs/observations_helper.rb
+++ b/app/helpers/tabs/observations_helper.rb
@@ -145,14 +145,20 @@ def observations_at_where_tabs(query)
     # these are from the observations form
     def define_location_tab(query)
       [:list_observations_location_define.l,
-       add_query_param(new_location_path(where: query.params[:user_where])),
+       add_query_param(new_location_path(where: where_param(query.params))),
        { class: tab_id(__method__.to_s) }]
     end
 
+    # Hack to use the :locations param if it's present and the :user_where
+    # param is missing.
+    def where_param(query_params)
+      query_params[:user_where] || params[:where]
+    end
+
     def assign_undefined_location_tab(query)
       [:list_observations_location_merge.l,
        add_query_param(matching_locations_for_observations_path(
-                         where: query.params[:user_where]
+                         where: where_param(query.params)
                        )),
        { class: tab_id(__method__.to_s) }]
     end
diff --git a/app/models/field_slip_job_tracker.rb b/app/models/field_slip_job_tracker.rb
index c128b80db7..7b8c5f084e 100644
--- a/app/models/field_slip_job_tracker.rb
+++ b/app/models/field_slip_job_tracker.rb
@@ -5,12 +5,7 @@ class FieldSlipJobTracker < AbstractModel
   SUBDIR = "shared"
   PDF_DIR = PUBLIC_DIR + SUBDIR
 
-  enum status:
-         {
-           Starting: 1,
-           Processing: 2,
-           Done: 3
-         }
+  enum :status, { Starting: 1, Processing: 2, Done: 3 }
 
   belongs_to :user
 
diff --git a/app/models/location_description.rb b/app/models/location_description.rb
index 614724c8f9..e6f14cd9b2 100644
--- a/app/models/location_description.rb
+++ b/app/models/location_description.rb
@@ -50,16 +50,10 @@
 class LocationDescription < Description
   require "acts_as_versioned"
 
-  # enum definitions for use by simple_enum gem
   # Do not change the integer associated with a value
-  enum source_type:
-       {
-         public: 1,
-         foreign: 2,
-         project: 3,
-         source: 4,
-         user: 5
-       }, _suffix: :source
+  enum :source_type,
+       { public: 1, foreign: 2, project: 3, source: 4, user: 5 },
+       suffix: :source, instance_methods: false
 
   belongs_to :license
   belongs_to :location
diff --git a/app/models/name.rb b/app/models/name.rb
index e3b8c3ea84..473758646d 100644
--- a/app/models/name.rb
+++ b/app/models/name.rb
@@ -348,7 +348,6 @@ class Name < AbstractModel
   extend Parse
   extend Create
 
-  # enum definitions for use by simple_enum gem
   # Do not change the integer associated with a value
   enum :rank, {
     Form: 1,
diff --git a/app/models/name_description.rb b/app/models/name_description.rb
index e7dd971347..93fc93046b 100644
--- a/app/models/name_description.rb
+++ b/app/models/name_description.rb
@@ -65,23 +65,12 @@
 class NameDescription < Description
   require "acts_as_versioned"
 
-  # enum definitions for use by simple_enum gem
   # Do not change the integer associated with a value
-  enum review_status:
-        {
-          unreviewed: 1,
-          unvetted: 2,
-          vetted: 3,
-          inaccurate: 4
-        }
-  enum source_type:
-        {
-          public: 1,
-          foreign: 2,
-          project: 3,
-          source: 4,
-          user: 5
-        }, _suffix: :source
+  enum :review_status, { unreviewed: 1, unvetted: 2, vetted: 3, inaccurate: 4 }
+
+  enum :source_type, { public: 1, foreign: 2, project: 3, source: 4, user: 5 },
+       suffix: :source, instance_methods: false
+
   belongs_to :license
   belongs_to :name
   belongs_to :project
diff --git a/app/models/project_member.rb b/app/models/project_member.rb
index f65494a49b..3b7d69fd01 100644
--- a/app/models/project_member.rb
+++ b/app/models/project_member.rb
@@ -1,12 +1,7 @@
 # frozen_string_literal: true
 
 class ProjectMember < ApplicationRecord
-  enum trust_level:
-         {
-           no_trust: 1,
-           hidden_gps: 2,
-           editing: 3
-         }
+  enum :trust_level, { no_trust: 1, hidden_gps: 2, editing: 3 }
 
   belongs_to :project
   belongs_to :user
diff --git a/app/models/user.rb b/app/models/user.rb
index 9d65b30fe9..0d23a99ed8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -199,62 +199,26 @@
 class User < AbstractModel # rubocop:disable Metrics/ClassLength
   require "digest/sha1"
 
-  # enum definitions for use by simple_enum gem
   # Do not change the integer associated with a value
-  # first value is the default
-  enum thumbnail_size:
-       {
-         thumbnail: 1,
-         small: 2
-       },
-       _prefix: :thumb_size,
-       _default: "thumbnail"
-
-  enum image_size:
-       {
-         thumbnail: 1,
-         small: 2,
-         medium: 3,
-         large: 4,
-         huge: 5,
-         full_size: 6
-       },
-       _prefix: true,
-       _default: "medium"
-
-  enum votes_anonymous:
-       {
-         no: 1,
-         yes: 2,
-         old: 3
-       },
-       _prefix: :votes_anon,
-       _default: "no"
-
-  enum location_format:
-       {
-         postal: 1,
-         scientific: 2
-       },
-       _prefix: true,
-       _default: "postal"
-
-  enum hide_authors:
-       {
-         none: 1,
-         above_species: 2
-       },
-       _prefix: true,
-       _default: "none"
-
-  enum keep_filenames:
-       {
-         toss: 1,
-         keep_but_hide: 2,
-         keep_and_show: 3
-       },
-       _suffix: :filenames,
-       _default: "toss"
+  # First value is the default
+  enum :thumbnail_size, { thumbnail: 1, small: 2 },
+       prefix: :thumb_size, default: :thumbnail, instance_methods: false
+
+  enum :image_size,
+       { thumbnail: 1, small: 2, medium: 3, large: 4, huge: 5, full_size: 6 },
+       prefix: true, default: :medium, instance_methods: false
+
+  enum :votes_anonymous, { no: 1, yes: 2, old: 3 },
+       prefix: :votes_anon, default: :no, instance_methods: false
+
+  enum :location_format, { postal: 1, scientific: 2 },
+       prefix: true, default: :postal, instance_methods: false
+
+  enum :hide_authors, { none: 1, above_species: 2 },
+       prefix: true, default: :none, instance_methods: false
+
+  enum :keep_filenames, { toss: 1, keep_but_hide: 2, keep_and_show: 3 },
+       suffix: :filenames, default: :toss, instance_methods: false
 
   has_one :user_stats, dependent: :destroy
 
diff --git a/test/controllers/observations_controller/observations_controller_index_test.rb b/test/controllers/observations_controller/observations_controller_index_test.rb
index 079757f6fa..909a4c8cf9 100644
--- a/test/controllers/observations_controller/observations_controller_index_test.rb
+++ b/test/controllers/observations_controller/observations_controller_index_test.rb
@@ -542,6 +542,7 @@ def test_index_where
     login
     get(:index, params: { where: location.name })
     assert_displayed_title("Observations from #{location.name}")
+    assert_match(new_location_path(where: location.name), @response.body)
   end
 
   def test_index_where_page2