diff --git a/pkg/database/postgres.go b/pkg/database/postgres.go
index ff4eb16..7025a97 100644
--- a/pkg/database/postgres.go
+++ b/pkg/database/postgres.go
@@ -71,7 +71,6 @@ func (p *postgresqlConnection) AddUserWithRelationToSource(ctx context.Context,
 }
 
 func (p *postgresqlConnection) AddSource(ctx context.Context, anthroveSource *graphModels.AnthroveSource) error {
-	source := utils.GraphConvertSource(anthroveSource)
 	return postgres.CreateSourceNode(ctx, p.db, source)
 }
 
diff --git a/pkg/models/graphModels/api.go b/pkg/models/graphModels/api.go
deleted file mode 100644
index 7683097..0000000
--- a/pkg/models/graphModels/api.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package graphModels
-
-type FavoriteRelations struct {
-	SourcesID string                   `json:"sources_id"`
-	Relations AnthrovePostRelationship `json:"relations"`
-}
-
-type FavoritePost struct {
-	AnthrovePost AnthrovePost        `json:"anthrove_post"`
-	Relations    []FavoriteRelations `json:"relations"`
-}
-
-type FavoriteList struct {
-	Posts []FavoritePost `json:"posts,omitempty"`
-}
-
-type TagsWithFrequency struct {
-	Frequency int64       `json:"frequency"`
-	Tags      AnthroveTag `json:"tags"`
-}
diff --git a/pkg/models/graphModels/post.go b/pkg/models/graphModels/post.go
deleted file mode 100644
index 28caa38..0000000
--- a/pkg/models/graphModels/post.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package graphModels
-
-import "git.dragse.it/anthrove/otter-space-sdk/pkg/models"
-
-type AnthrovePost struct {
-	PostID models.AnthrovePostID `json:"post_id"`
-	Rating models.Rating         `json:"rating"`
-}
diff --git a/pkg/models/graphModels/relationships.go b/pkg/models/graphModels/relationships.go
deleted file mode 100644
index 639966f..0000000
--- a/pkg/models/graphModels/relationships.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package graphModels
-
-type AnthroveUserRelationship struct {
-	UserID             string         `json:"user_id"`
-	Username           string         `json:"username"`
-	ScrapeTimeInterval string         `json:"scrape_time_interval"`
-	Source             AnthroveSource `json:"source"`
-}
-type AnthrovePostRelationship struct {
-	PostID string `json:"post_id"`
-	Url    string `json:"url"`
-}
diff --git a/pkg/models/graphModels/source.go b/pkg/models/graphModels/source.go
deleted file mode 100644
index 5e3795b..0000000
--- a/pkg/models/graphModels/source.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package graphModels
-
-type AnthroveSource struct {
-	DisplayName string `json:"display_name"`
-	Domain      string `json:"domain"`
-	Icon        string `json:"icon"`
-}
diff --git a/pkg/models/graphModels/tag.go b/pkg/models/graphModels/tag.go
deleted file mode 100644
index 699a1fc..0000000
--- a/pkg/models/graphModels/tag.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package graphModels
-
-type AnthroveTag struct {
-	Name string `json:"name"`
-	Type string `json:"type"`
-}
diff --git a/pkg/models/graphModels/user.go b/pkg/models/graphModels/user.go
deleted file mode 100644
index 3b74a51..0000000
--- a/pkg/models/graphModels/user.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package graphModels
-
-import "git.dragse.it/anthrove/otter-space-sdk/pkg/models"
-
-type AnthroveUser struct {
-	UserID       models.AnthroveUserID      `json:"user_id"`
-	Relationship []AnthroveUserRelationship `json:"relationship"`
-}