2 files changed, 6 insertions, 23 deletions

diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index 5bb7961b3..a9982a70f 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -8,7 +8,7 @@ use ra_syntax::SmolStr;
 
 use crate::{
     debug::HirDebugDatabase,
-    generics::{GenericDef, GenericParams},
+    generics::GenericDef,
     ids,
     lang_item::{LangItemTarget, LangItems},
     ty::{
@@ -24,8 +24,9 @@ use crate::{
 
 pub use hir_def::db::{
     BodyQuery, BodyWithSourceMapQuery, CrateDefMapQuery, DefDatabase2, DefDatabase2Storage,
-    EnumDataQuery, ExprScopesQuery, ImplDataQuery, InternDatabase, InternDatabaseStorage,
-    RawItemsQuery, RawItemsWithSourceMapQuery, StructDataQuery, TraitDataQuery,
+    EnumDataQuery, ExprScopesQuery, GenericParamsQuery, ImplDataQuery, InternDatabase,
+    InternDatabaseStorage, RawItemsQuery, RawItemsWithSourceMapQuery, StructDataQuery,
+    TraitDataQuery,
 };
 pub use hir_expand::db::{
     AstDatabase, AstDatabaseStorage, AstIdMapQuery, MacroArgQuery, MacroDefQuery, MacroExpandQuery,
@@ -36,9 +37,6 @@ pub use hir_expand::db::{
 #[salsa::query_group(DefDatabaseStorage)]
 #[salsa::requires(AstDatabase)]
 pub trait DefDatabase: HirDebugDatabase + DefDatabase2 {
-    #[salsa::invoke(crate::generics::generic_params_query)]
-    fn generic_params(&self, def: GenericDef) -> Arc<GenericParams>;
-
     #[salsa::invoke(FnData::fn_data_query)]
     fn fn_data(&self, func: Function) -> Arc<FnData>;
 
diff --git a/crates/ra_hir/src/generics.rs b/crates/ra_hir/src/generics.rs
index caedb90e6..54ed03642 100644
--- a/crates/ra_hir/src/generics.rs
+++ b/crates/ra_hir/src/generics.rs
@@ -2,7 +2,7 @@
 use std::sync::Arc;
 
 use crate::{
-    db::{AstDatabase, DefDatabase, HirDatabase},
+    db::{DefDatabase, HirDatabase},
     Adt, Const, Container, Enum, EnumVariant, Function, ImplBlock, Struct, Trait, TypeAlias, Union,
 };
 
@@ -31,21 +31,6 @@ impl_froms!(
     Const
 );
 
-pub(crate) fn generic_params_query(
-    db: &(impl DefDatabase + AstDatabase),
-    def: GenericDef,
-) -> Arc<GenericParams> {
-    let parent = match def {
-        GenericDef::Function(it) => it.container(db).map(GenericDef::from),
-        GenericDef::TypeAlias(it) => it.container(db).map(GenericDef::from),
-        GenericDef::Const(it) => it.container(db).map(GenericDef::from),
-        GenericDef::EnumVariant(it) => Some(it.parent_enum(db).into()),
-        GenericDef::Adt(_) | GenericDef::Trait(_) => None,
-        GenericDef::ImplBlock(_) => None,
-    };
-    Arc::new(GenericParams::new(db, def.into(), parent.map(|it| db.generic_params(it))))
-}
-
 impl GenericDef {
     pub(crate) fn resolver(&self, db: &impl HirDatabase) -> crate::Resolver {
         match self {
@@ -78,6 +63,6 @@ where
     T: Into<GenericDef> + Copy,
 {
     fn generic_params(self, db: &impl DefDatabase) -> Arc<GenericParams> {
-        db.generic_params(self.into())
+        db.generic_params(self.into().into())
     }
 }