diff --git a/spec/controllers/api/v1/conferences_controller_spec.rb b/spec/controllers/api/v1/conferences_controller_spec.rb
index bd6d1df5..fc82fdc3 100644
--- a/spec/controllers/api/v1/conferences_controller_spec.rb
+++ b/spec/controllers/api/v1/conferences_controller_spec.rb
@@ -21,7 +21,7 @@ describe Api::V1::ConferencesController do
     end
 
     it 'returns correct conferences' do
-      expect(@json.map { |c| c['short_title'] }).to contain_exactly('conf_one', 'conf_two')
+      expect(@json.pluck('short_title')).to contain_exactly('conf_one', 'conf_two')
     end
   end
 
diff --git a/spec/controllers/api/v1/events_controller_spec.rb b/spec/controllers/api/v1/events_controller_spec.rb
index c23561fb..845cb5b0 100644
--- a/spec/controllers/api/v1/events_controller_spec.rb
+++ b/spec/controllers/api/v1/events_controller_spec.rb
@@ -15,7 +15,7 @@ describe Api::V1::EventsController do
         json = JSON.parse(response.body)['events']
         expect(response).to be_success
 
-        expect(json.map { |e| e['title'] }).to contain_exactly('Conference Event', 'Example Event')
+        expect(json.pluck('title')).to contain_exactly('Conference Event', 'Example Event')
       end
     end
 
diff --git a/spec/controllers/api/v1/rooms_controller_spec.rb b/spec/controllers/api/v1/rooms_controller_spec.rb
index 1d1d9d9d..00b927e9 100644
--- a/spec/controllers/api/v1/rooms_controller_spec.rb
+++ b/spec/controllers/api/v1/rooms_controller_spec.rb
@@ -17,7 +17,7 @@ describe Api::V1::RoomsController do
 
         expect(response).to be_success
 
-        expect(json.map { |r| r['name'] }).to contain_exactly('Conference Room', 'Test Room')
+        expect(json.pluck('name')).to contain_exactly('Conference Room', 'Test Room')
       end
     end
 
diff --git a/spec/controllers/api/v1/speakers_controller_spec.rb b/spec/controllers/api/v1/speakers_controller_spec.rb
index e71c0cd7..d29ddfb3 100644
--- a/spec/controllers/api/v1/speakers_controller_spec.rb
+++ b/spec/controllers/api/v1/speakers_controller_spec.rb
@@ -22,7 +22,7 @@ describe Api::V1::SpeakersController do
         get :index, params: { format: :json }
         json = JSON.parse(response.body)['speakers']
         expect(response).to be_success
-        expect(json.map { |u| u['name'] }).to contain_exactly('Conf_Speaker', 'Speaker')
+        expect(json.pluck('name')).to contain_exactly('Conf_Speaker', 'Speaker')
       end
     end
 
diff --git a/spec/controllers/api/v1/tracks_controller_spec.rb b/spec/controllers/api/v1/tracks_controller_spec.rb
index 7e47e85b..f8b0b53a 100644
--- a/spec/controllers/api/v1/tracks_controller_spec.rb
+++ b/spec/controllers/api/v1/tracks_controller_spec.rb
@@ -16,7 +16,7 @@ describe Api::V1::TracksController do
 
         expect(response).to be_success
 
-        expect(json.map { |t| t['name'] }).to contain_exactly('Conference Track', 'Test Track')
+        expect(json.pluck('name')).to contain_exactly('Conference Track', 'Test Track')
       end
     end