diff --git a/crates/cairo-lang-parser/src/db.rs b/crates/cairo-lang-parser/src/db.rs
index 07a3849640a..3ef8e69db00 100644
--- a/crates/cairo-lang-parser/src/db.rs
+++ b/crates/cairo-lang-parser/src/db.rs
@@ -14,6 +14,11 @@ mod db_test;
 
 /// Interface of the parser database.
 pub trait ParserGroup: Database {
+    /// Parses a file and returns its AST as a root SyntaxNode.
+    fn file_syntax<'db>(&'db self, file_id: FileId<'db>) -> Maybe<SyntaxNode<'db>> {
+        file_syntax(self.as_dyn_database(), file_id)
+    }
+
     /// Parses a file and returns its AST as a root SyntaxFile.
     fn file_module_syntax<'db>(&'db self, file_id: FileId<'db>) -> Maybe<SyntaxFile<'db>> {
         file_module_syntax(self.as_dyn_database(), file_id)
diff --git a/crates/cairo-lang-semantic/src/expr/pattern.rs b/crates/cairo-lang-semantic/src/expr/pattern.rs
index bbdd34a113c..8ade39daa94 100644
--- a/crates/cairo-lang-semantic/src/expr/pattern.rs
+++ b/crates/cairo-lang-semantic/src/expr/pattern.rs
@@ -5,9 +5,9 @@ use cairo_lang_filesystem::ids::SmolStrId;
 use cairo_lang_proc_macros::{DebugWithDb, SemanticObject};
 use cairo_lang_syntax::node::ast;
 use cairo_lang_syntax::node::ids::SyntaxStablePtrId;
+use salsa::Database;
 
 use super::fmt::ExprFormatter;
-use crate::db::SemanticGroup;
 use crate::items::function_with_body::FunctionWithBodySemantic;
 use crate::{
     ConcreteStructId, ExprLiteral, ExprStringLiteral, LocalVariable, PatternArena, PatternId,
@@ -120,10 +120,10 @@ impl<'a> PatternVariablesQueryable<'a> for PatternArena<'a> {
 
 /// Query a function for variables of patterns defined within it.
 ///
-/// This is a wrapper over [`SemanticGroup`] that takes [`FunctionWithBodyId`]
+/// This is a wrapper over [`Database`] that takes [`FunctionWithBodyId`]
 /// and relays queries to [`FunctionWithBodySemantic::pattern_semantic`].
 pub struct QueryPatternVariablesFromDb<'a>(
-    pub &'a (dyn SemanticGroup + 'static),
+    pub &'a (dyn Database + 'static),
     pub FunctionWithBodyId<'a>,
 );