diff --git a/crates/ra_hir/src/code_model_impl/konst.rs b/crates/ra_hir/src/code_model_impl/konst.rs
index d7722ccc209..ecf4c8122f4 100644
--- a/crates/ra_hir/src/code_model_impl/konst.rs
+++ b/crates/ra_hir/src/code_model_impl/konst.rs
@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use ra_syntax::ast::{NameOwner};
+use ra_syntax::ast::{self, NameOwner};
 
 use crate::{
     Name, AsName, Const, ConstSignature, Static,
@@ -8,20 +8,23 @@ use crate::{
     PersistentHirDatabase,
 };
 
+fn const_signature_for<N: NameOwner>(
+    node: &N,
+    type_ref: Option<&ast::TypeRef>,
+) -> Arc<ConstSignature> {
+    let name = node.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
+    let type_ref = TypeRef::from_ast_opt(type_ref);
+    let sig = ConstSignature { name, type_ref };
+    Arc::new(sig)
+}
+
 impl ConstSignature {
     pub(crate) fn const_signature_query(
         db: &impl PersistentHirDatabase,
         konst: Const,
     ) -> Arc<ConstSignature> {
         let (_, node) = konst.source(db);
-
-        let name = node.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
-
-        let type_ref = TypeRef::from_ast_opt(node.type_ref());
-
-        let sig = ConstSignature { name, type_ref };
-
-        Arc::new(sig)
+        const_signature_for(&*node, node.type_ref())
     }
 
     pub(crate) fn static_signature_query(
@@ -29,13 +32,6 @@ impl ConstSignature {
         konst: Static,
     ) -> Arc<ConstSignature> {
         let (_, node) = konst.source(db);
-
-        let name = node.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
-
-        let type_ref = TypeRef::from_ast_opt(node.type_ref());
-
-        let sig = ConstSignature { name, type_ref };
-
-        Arc::new(sig)
+        const_signature_for(&*node, node.type_ref())
     }
 }