diff --git a/crates/ruff_python_semantic/src/definition.rs b/crates/ruff_python_semantic/src/definition.rs
index df75490f5e..6d73624a66 100644
--- a/crates/ruff_python_semantic/src/definition.rs
+++ b/crates/ruff_python_semantic/src/definition.rs
@@ -115,7 +115,7 @@ impl<'a> Definitions<'a> {
     ///
     /// Members are assumed to be pushed in traversal order, such that parents are pushed before
     /// their children.
-    pub fn push_member(&mut self, member: Member<'a>) -> DefinitionId {
+    pub(crate) fn push_member(&mut self, member: Member<'a>) -> DefinitionId {
         self.0.push(Definition::Member(member))
     }
 
diff --git a/crates/ruff_python_semantic/src/globals.rs b/crates/ruff_python_semantic/src/globals.rs
index dd4b2c460a..876ecfb628 100644
--- a/crates/ruff_python_semantic/src/globals.rs
+++ b/crates/ruff_python_semantic/src/globals.rs
@@ -49,11 +49,11 @@ impl<'a> Globals<'a> {
         builder.finish()
     }
 
-    pub fn get(&self, name: &str) -> Option<&TextRange> {
+    pub(crate) fn get(&self, name: &str) -> Option<&TextRange> {
         self.0.get(name)
     }
 
-    pub fn iter(&self) -> impl Iterator<Item = (&&'a str, &TextRange)> + '_ {
+    pub(crate) fn iter(&self) -> impl Iterator<Item = (&&'a str, &TextRange)> + '_ {
         self.0.iter()
     }
 }
diff --git a/crates/ruff_python_semantic/src/node.rs b/crates/ruff_python_semantic/src/node.rs
index dd71fd5f1d..6cdafd55b4 100644
--- a/crates/ruff_python_semantic/src/node.rs
+++ b/crates/ruff_python_semantic/src/node.rs
@@ -37,7 +37,7 @@ impl<'a> Nodes<'a> {
     /// Inserts a new node into the node tree and returns its unique id.
     ///
     /// Panics if a node with the same pointer already exists.
-    pub fn insert(&mut self, stmt: &'a Stmt, parent: Option<NodeId>) -> NodeId {
+    pub(crate) fn insert(&mut self, stmt: &'a Stmt, parent: Option<NodeId>) -> NodeId {
         let next_id = self.nodes.next_index();
         if let Some(existing_id) = self.node_to_id.insert(RefEquality(stmt), next_id) {
             panic!("Node already exists with id {existing_id:?}");
@@ -61,23 +61,23 @@ impl<'a> Nodes<'a> {
         self.nodes[node_id].parent
     }
 
-    /// Return the depth of the node.
-    #[inline]
-    pub fn depth(&self, node_id: NodeId) -> u32 {
-        self.nodes[node_id].depth
-    }
-
-    /// Returns an iterator over all [`NodeId`] ancestors, starting from the given [`NodeId`].
-    pub fn ancestor_ids(&self, node_id: NodeId) -> impl Iterator<Item = NodeId> + '_ {
-        std::iter::successors(Some(node_id), |&node_id| self.nodes[node_id].parent)
-    }
-
     /// Return the parent of the given node.
     pub fn parent(&self, node: &'a Stmt) -> Option<&'a Stmt> {
         let node_id = self.node_to_id.get(&RefEquality(node))?;
         let parent_id = self.nodes[*node_id].parent?;
         Some(self[parent_id])
     }
+
+    /// Return the depth of the node.
+    #[inline]
+    pub(crate) fn depth(&self, node_id: NodeId) -> u32 {
+        self.nodes[node_id].depth
+    }
+
+    /// Returns an iterator over all [`NodeId`] ancestors, starting from the given [`NodeId`].
+    pub(crate) fn ancestor_ids(&self, node_id: NodeId) -> impl Iterator<Item = NodeId> + '_ {
+        std::iter::successors(Some(node_id), |&node_id| self.nodes[node_id].parent)
+    }
 }
 
 impl<'a> Index<NodeId> for Nodes<'a> {
diff --git a/crates/ruff_python_semantic/src/reference.rs b/crates/ruff_python_semantic/src/reference.rs
index 0626a5c808..d19b03194a 100644
--- a/crates/ruff_python_semantic/src/reference.rs
+++ b/crates/ruff_python_semantic/src/reference.rs
@@ -36,11 +36,11 @@ pub struct ReferenceId;
 
 /// The references of a program indexed by [`ReferenceId`].
 #[derive(Debug, Default)]
-pub struct References(IndexVec<ReferenceId, Reference>);
+pub(crate) struct References(IndexVec<ReferenceId, Reference>);
 
 impl References {
     /// Pushes a new [`Reference`] and returns its [`ReferenceId`].
-    pub fn push(
+    pub(crate) fn push(
         &mut self,
         scope_id: ScopeId,
         range: TextRange,
diff --git a/crates/ruff_python_semantic/src/scope.rs b/crates/ruff_python_semantic/src/scope.rs
index 22f0983915..e5100b3859 100644
--- a/crates/ruff_python_semantic/src/scope.rs
+++ b/crates/ruff_python_semantic/src/scope.rs
@@ -124,12 +124,12 @@ impl<'a> Scope<'a> {
     }
 
     /// Set the globals pointer for this scope.
-    pub fn set_globals_id(&mut self, globals: GlobalsId) {
+    pub(crate) fn set_globals_id(&mut self, globals: GlobalsId) {
         self.globals_id = Some(globals);
     }
 
     /// Returns the globals pointer for this scope.
-    pub fn globals_id(&self) -> Option<GlobalsId> {
+    pub(crate) fn globals_id(&self) -> Option<GlobalsId> {
         self.globals_id
     }
 
@@ -196,17 +196,17 @@ pub struct Scopes<'a>(IndexVec<ScopeId, Scope<'a>>);
 
 impl<'a> Scopes<'a> {
     /// Returns a reference to the global scope
-    pub fn global(&self) -> &Scope<'a> {
+    pub(crate) fn global(&self) -> &Scope<'a> {
         &self[ScopeId::global()]
     }
 
     /// Returns a mutable reference to the global scope
-    pub fn global_mut(&mut self) -> &mut Scope<'a> {
+    pub(crate) fn global_mut(&mut self) -> &mut Scope<'a> {
         &mut self[ScopeId::global()]
     }
 
     /// Pushes a new scope and returns its unique id
-    pub fn push_scope(&mut self, kind: ScopeKind<'a>, parent: ScopeId) -> ScopeId {
+    pub(crate) fn push_scope(&mut self, kind: ScopeKind<'a>, parent: ScopeId) -> ScopeId {
         let next_id = ScopeId::new(self.0.len());
         self.0.push(Scope::local(kind, parent));
         next_id