diff --git a/admin/app/football/model/PA.scala b/admin/app/football/model/PA.scala
index 190b429860dc..ed3b1e66ba7c 100644
--- a/admin/app/football/model/PA.scala
+++ b/admin/app/football/model/PA.scala
@@ -1,11 +1,10 @@
 package football.model
 
 import pa.{Season, Team}
-import implicits.Collections
 
 import java.time.ZoneId
 
-object PA extends Collections {
+object PA {
 
   val competitionNames = Map[String, String](
     ("100", "Premier League"),
diff --git a/commercial/app/controllers/BookOffersController.scala b/commercial/app/controllers/BookOffersController.scala
index c65c1ae4e349..f0d67f425b6d 100644
--- a/commercial/app/controllers/BookOffersController.scala
+++ b/commercial/app/controllers/BookOffersController.scala
@@ -17,7 +17,6 @@ class BookOffersController(
 ) extends BaseController
     with ImplicitControllerExecutionContext
     with GuLogging
-    with implicits.Collections
     with implicits.Requests {
 
   private def booksSample(isbns: Seq[String], segment: Segment): Seq[Book] =
diff --git a/common/app/common/TrailsToRss.scala b/common/app/common/TrailsToRss.scala
index 7a0b8ce6d557..4fb3d84f93da 100644
--- a/common/app/common/TrailsToRss.scala
+++ b/common/app/common/TrailsToRss.scala
@@ -27,7 +27,7 @@ object RssDates {
   }
 }
 
-object TrailsToRss extends implicits.Collections {
+object TrailsToRss {
 
   // The CAPI blocks we would like consumers to request to build our item intro text from
   val BlocksToGenerateRssIntro = "body:oldest:10"
diff --git a/common/app/implicits/Collections.scala b/common/app/implicits/Collections.scala
deleted file mode 100644
index cc2b78b8d6dd..000000000000
--- a/common/app/implicits/Collections.scala
+++ /dev/null
@@ -1,28 +0,0 @@
-package implicits
-
-import language.higherKinds
-import scala.collection.generic.CanBuildFrom
-import collection.mutable.{HashSet => MutableHashSet}
-import scala.collection.BuildFrom
-
-trait Collections {
-
-  // thanks https://gist.github.com/1189097
-  implicit class Seq2Distinct[T, C[T] <: Seq[T]](tees: C[T]) {
-//    def distinctBy[S](hash: T => S)(implicit cbf: CanBuildFrom[C[T], T, C[T]]): C[T] = {
-//      val builder = cbf()
-//      val seen = MutableHashSet[S]()
-//
-//      for (t <- tees) {
-//        if (!seen(hash(t))) {
-//          builder += t
-//          seen += hash(t)
-//        }
-//      }
-//
-//      builder.result
-//    }
-  }
-}
-
-object CollectionsOps extends Collections
diff --git a/common/app/layout/Front.scala b/common/app/layout/Front.scala
index 31b24a8ca5dd..f03d9780e2df 100644
--- a/common/app/layout/Front.scala
+++ b/common/app/layout/Front.scala
@@ -14,7 +14,7 @@ case class Front(
     containers: Seq[FaciaContainer],
 )
 
-object Front extends implicits.Collections {
+object Front {
   type TrailUrl = String
 
   def itemsVisible(containerDefinition: ContainerDefinition): Int =
diff --git a/common/app/model/facia/PressedCollection.scala b/common/app/model/facia/PressedCollection.scala
index d4d488634845..7cc4eb11ddf2 100644
--- a/common/app/model/facia/PressedCollection.scala
+++ b/common/app/model/facia/PressedCollection.scala
@@ -5,7 +5,6 @@ import com.gu.facia.api.{models => fapi}
 import com.gu.facia.api.utils.ContainerBrandingFinder
 import com.gu.facia.client.models.{Branded, TargetedTerritory}
 import common.Edition
-import implicits.CollectionsOps._
 import model.pressed._
 import org.joda.time.DateTime
 import services.CollectionConfigWithId
diff --git a/common/app/services/repositories.scala b/common/app/services/repositories.scala
index e8c63c3cdaf4..2917d0d087c9 100644
--- a/common/app/services/repositories.scala
+++ b/common/app/services/repositories.scala
@@ -5,14 +5,13 @@ import com.gu.contentapi.client.model.ContentApiError
 import com.gu.contentapi.client.model.v1.{ItemResponse, SearchResponse, Section => ApiSection}
 import common._
 import contentapi.{ContentApiClient, QueryDefaults, SectionTagLookUp, SectionsLookUp}
-import implicits.Collections
 import model._
 import org.joda.time.DateTime
 import play.api.mvc.{RequestHeader, Result => PlayResult}
 
 import scala.concurrent.Future
 
-trait Index extends ConciergeRepository with Collections {
+trait Index extends ConciergeRepository {
 
   implicit val context: ApplicationContext
 
diff --git a/common/app/views/support/MostPopularTags.scala b/common/app/views/support/MostPopularTags.scala
index e102facce721..39eb738178f0 100644
--- a/common/app/views/support/MostPopularTags.scala
+++ b/common/app/views/support/MostPopularTags.scala
@@ -5,7 +5,7 @@ import model.Tag
 import model.pressed.PressedContent
 import implicits.FaciaContentFrontendHelpers.FaciaContentFrontendHelper
 
-object MostPopularTags extends implicits.Collections {
+object MostPopularTags {
 
   /** A descending list of the tags that occur most frequently within the given items of content and how frequently
     * they occur
diff --git a/sport/app/football/feed/agent.scala b/sport/app/football/feed/agent.scala
index b66f0c14141f..b3a4a3243a8c 100644
--- a/sport/app/football/feed/agent.scala
+++ b/sport/app/football/feed/agent.scala
@@ -88,7 +88,7 @@ trait Fixtures extends GuLogging {
   }
 }
 
-trait Results extends GuLogging with implicits.Collections {
+trait Results extends GuLogging {
 
   def footballClient: FootballClient
   def teamNameBuilder: TeamNameBuilder