diff --git a/src/main/kotlin/application/Converters.kt b/src/main/kotlin/application/Converters.kt
index 08dd7ae..75fe342 100644
--- a/src/main/kotlin/application/Converters.kt
+++ b/src/main/kotlin/application/Converters.kt
@@ -4,7 +4,6 @@ import fr.dcproject.component.citizen.Citizen
 import fr.dcproject.component.citizen.CitizenBasic
 import fr.dcproject.component.citizen.CitizenRef
 import fr.dcproject.component.citizen.CitizenRepository
-import fr.dcproject.component.comment.generic.CommentRef
 import fr.dcproject.component.constitution.Constitution
 import fr.dcproject.component.constitution.ConstitutionRef
 import fr.dcproject.component.constitution.ConstitutionRepository
@@ -43,13 +42,8 @@ val converters: ConverterDeclaration = {
         }
     }
 
-    convert<CommentRef> {
-        decode { values, _ ->
-            values.singleOrNull()?.let {
-                CommentRef(UUID.fromString(it))
-            } ?: throw NotFoundException("""UUID "$values" is not valid for Comment""")
-        }
-    }
+    // TODO remove converters of entities
+
     convert<ConstitutionRef> {
         decode { values, _ ->
             values.singleOrNull()?.let {
diff --git a/src/main/kotlin/component/comment/generic/routes/CreateCommentChildren.kt b/src/main/kotlin/component/comment/generic/routes/CreateCommentChildren.kt
index 3185e62..33f9fe5 100644
--- a/src/main/kotlin/component/comment/generic/routes/CreateCommentChildren.kt
+++ b/src/main/kotlin/component/comment/generic/routes/CreateCommentChildren.kt
@@ -16,11 +16,13 @@ import io.ktor.locations.post
 import io.ktor.request.receive
 import io.ktor.response.respond
 import io.ktor.routing.Route
+import java.util.UUID
 
 @KtorExperimentalLocationsAPI
 object CreateCommentChildren {
     @Location("/comments/{comment}/children")
-    class CreateCommentChildrenRequest(val comment: CommentRef) {
+    class CreateCommentChildrenRequest(comment: UUID) {
+        val comment = CommentRef(comment)
         class Input(val content: String)
     }
 
diff --git a/src/main/kotlin/component/comment/generic/routes/EditComment.kt b/src/main/kotlin/component/comment/generic/routes/EditComment.kt
index 556cc5b..2229c31 100644
--- a/src/main/kotlin/component/comment/generic/routes/EditComment.kt
+++ b/src/main/kotlin/component/comment/generic/routes/EditComment.kt
@@ -14,11 +14,14 @@ import io.ktor.locations.put
 import io.ktor.request.receiveText
 import io.ktor.response.respond
 import io.ktor.routing.Route
+import java.util.UUID
 
 @KtorExperimentalLocationsAPI
 object EditComment {
     @Location("/comments/{comment}")
-    class EditCommentRequest(val comment: CommentRef)
+    class EditCommentRequest(comment: UUID) {
+        val comment = CommentRef(comment)
+    }
 
     fun Route.editComment(repo: CommentRepository, ac: CommentAccessControl) {
         put<EditCommentRequest> {
diff --git a/src/main/kotlin/component/comment/generic/routes/GetOneComment.kt b/src/main/kotlin/component/comment/generic/routes/GetOneComment.kt
index fa02f76..7d05881 100644
--- a/src/main/kotlin/component/comment/generic/routes/GetOneComment.kt
+++ b/src/main/kotlin/component/comment/generic/routes/GetOneComment.kt
@@ -13,11 +13,14 @@ import io.ktor.locations.Location
 import io.ktor.locations.get
 import io.ktor.response.respond
 import io.ktor.routing.Route
+import java.util.UUID
 
 @KtorExperimentalLocationsAPI
 object GetOneComment {
     @Location("/comments/{comment}")
-    class CommentRequest(val comment: CommentRef)
+    class CommentRequest(comment: UUID) {
+        val comment = CommentRef(comment)
+    }
 
     fun Route.getOneComment(repo: CommentRepository, ac: CommentAccessControl) {
         get<CommentRequest> {