diff --git a/internal/schema/0.12/connection_block.go b/internal/schema/0.12/connection_block.go
index 3a25d470..6270524e 100644
--- a/internal/schema/0.12/connection_block.go
+++ b/internal/schema/0.12/connection_block.go
@@ -21,11 +21,11 @@ func connectionBlock(v *version.Version) *schema.BlockSchema {
 			Attributes: map[string]*schema.AttributeSchema{
 				"type": {
 					Expr: schema.ExprConstraints{
-						schema.LiteralValue{
+						schema.LegacyLiteralValue{
 							Val:         cty.StringVal("ssh"),
 							Description: lang.Markdown("Use SSH to connect and provision the instance"),
 						},
-						schema.LiteralValue{
+						schema.LegacyLiteralValue{
 							Val:         cty.StringVal("winrm"),
 							Description: lang.Markdown("Use WinRM to connect and provision the instance"),
 						},
diff --git a/internal/schema/0.15/connection_block.go b/internal/schema/0.15/connection_block.go
index 55db2ecd..ef6c6a80 100644
--- a/internal/schema/0.15/connection_block.go
+++ b/internal/schema/0.15/connection_block.go
@@ -24,8 +24,8 @@ func ConnectionDependentBodies(v *version.Version) map[schema.SchemaKey]*schema.
 	// See https://github.com/hashicorp/terraform/commit/5b99a56f
 	bodies[ssh].Attributes["target_platform"] = &schema.AttributeSchema{
 		Expr: schema.ExprConstraints{
-			schema.LiteralValue{Val: cty.StringVal("windows")},
-			schema.LiteralValue{Val: cty.StringVal("unix")},
+			schema.LegacyLiteralValue{Val: cty.StringVal("windows")},
+			schema.LegacyLiteralValue{Val: cty.StringVal("unix")},
 		},
 		IsOptional: true,
 		Description: lang.Markdown("The target platform to connect to. " +
diff --git a/internal/schema/backends/backends.go b/internal/schema/backends/backends.go
index 9b5acdff..1cb5f6d3 100644
--- a/internal/schema/backends/backends.go
+++ b/internal/schema/backends/backends.go
@@ -27,7 +27,7 @@ func BackendTypesAsExprConstraints(tfVersion *version.Version) schema.ExprConstr
 	ec := make(schema.ExprConstraints, 0)
 
 	for backendType, bs := range backendBodySchemas(tfVersion) {
-		lv := schema.LiteralValue{
+		lv := schema.LegacyLiteralValue{
 			Val:          cty.StringVal(backendType),
 			IsDeprecated: bs.IsDeprecated,
 		}
@@ -38,8 +38,8 @@ func BackendTypesAsExprConstraints(tfVersion *version.Version) schema.ExprConstr
 	}
 
 	sort.SliceStable(ec, func(i, j int) bool {
-		leftVal := ec[i].(schema.LiteralValue)
-		rightVal := ec[j].(schema.LiteralValue)
+		leftVal := ec[i].(schema.LegacyLiteralValue)
+		rightVal := ec[j].(schema.LegacyLiteralValue)
 		return leftVal.Val.AsString() < rightVal.Val.AsString()
 	})