diff --git a/pkg/model/ent/schema/choice.go b/pkg/model/ent/schema/choice.go
index cb9773a..58d3ddb 100644
--- a/pkg/model/ent/schema/choice.go
+++ b/pkg/model/ent/schema/choice.go
@@ -2,6 +2,7 @@ package schema
 
 import (
 	"entgo.io/ent"
+	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema/edge"
 	"entgo.io/ent/schema/field"
 	"github.com/google/uuid"
@@ -29,6 +30,9 @@ func (Choice) Edges() []ent.Edge {
 			Ref("choices").
 			Unique().
 			Required(),
-		edge.To("answers", Answer.Type),
+		edge.To("answers", Answer.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Restrict,
+			}),
 	}
 }
diff --git a/pkg/model/ent/schema/game.go b/pkg/model/ent/schema/game.go
index 973bbac..28df8e3 100644
--- a/pkg/model/ent/schema/game.go
+++ b/pkg/model/ent/schema/game.go
@@ -2,6 +2,7 @@ package schema
 
 import (
 	"entgo.io/ent"
+	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema/edge"
 	"entgo.io/ent/schema/field"
 	"github.com/google/uuid"
@@ -23,7 +24,13 @@ func (Game) Fields() []ent.Field {
 
 func (Game) Edges() []ent.Edge {
 	return []ent.Edge{
-		edge.To("sessions", Session.Type),
-		edge.To("questions", Question.Type),
+		edge.To("sessions", Session.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Restrict,
+			}),
+		edge.To("questions", Question.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Cascade,
+			}),
 	}
 }
diff --git a/pkg/model/ent/schema/player.go b/pkg/model/ent/schema/player.go
index b08c8a6..885b418 100644
--- a/pkg/model/ent/schema/player.go
+++ b/pkg/model/ent/schema/player.go
@@ -2,6 +2,7 @@ package schema
 
 import (
 	"entgo.io/ent"
+	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema/edge"
 	"entgo.io/ent/schema/field"
 	"entgo.io/ent/schema/index"
@@ -34,6 +35,9 @@ func (Player) Edges() []ent.Edge {
 			Ref("players").
 			Unique().
 			Required(),
-		edge.To("answers", Answer.Type),
+		edge.To("answers", Answer.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Cascade,
+			}),
 	}
 }
diff --git a/pkg/model/ent/schema/question.go b/pkg/model/ent/schema/question.go
index be62384..f6847c4 100644
--- a/pkg/model/ent/schema/question.go
+++ b/pkg/model/ent/schema/question.go
@@ -2,6 +2,7 @@ package schema
 
 import (
 	"entgo.io/ent"
+	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema/edge"
 	"entgo.io/ent/schema/field"
 	"entgo.io/ent/schema/index"
@@ -33,7 +34,13 @@ func (Question) Edges() []ent.Edge {
 			Ref("questions").
 			Unique().
 			Required(),
-		edge.To("choices", Choice.Type),
-		edge.To("asked", AskedQuestion.Type),
+		edge.To("choices", Choice.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Cascade,
+			}),
+		edge.To("asked", AskedQuestion.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Restrict,
+			}),
 	}
 }
diff --git a/pkg/model/ent/schema/session.go b/pkg/model/ent/schema/session.go
index 2d5f89c..a79cbaa 100644
--- a/pkg/model/ent/schema/session.go
+++ b/pkg/model/ent/schema/session.go
@@ -2,6 +2,7 @@ package schema
 
 import (
 	"entgo.io/ent"
+	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema/edge"
 	"entgo.io/ent/schema/field"
 	"github.com/google/uuid"
@@ -30,7 +31,13 @@ func (Session) Edges() []ent.Edge {
 			Ref("sessions").
 			Unique().
 			Required(),
-		edge.To("players", Player.Type),
-		edge.To("askedQuestions", AskedQuestion.Type),
+		edge.To("players", Player.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Cascade,
+			}),
+		edge.To("askedQuestions", AskedQuestion.Type).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Cascade,
+			}),
 	}
 }