diff --git a/src/link/Dwarf.zig b/src/link/Dwarf.zig
index 83222090c0a7289a61ff7c6835e4fec8a8fe1fb4..7840b8d6a7431cb50b1632a58a1eea465ba34905 100644
--- a/src/link/Dwarf.zig
+++ b/src/link/Dwarf.zig
@@ -91,7 +91,7 @@ pub const DeclState = struct {
         };
     }
 
-    fn deinit(self: *DeclState, gpa: Allocator) void {
+    pub fn deinit(self: *DeclState, gpa: Allocator) void {
         self.dbg_line.deinit();
         self.dbg_info.deinit();
         self.abbrev_type_arena.deinit();
diff --git a/src/link/Elf.zig b/src/link/Elf.zig
index 771a57b26eb7c7211620be815925516f8a42b113..ece30c43473a1d97a9fdbc76a0368194e6634003 100644
--- a/src/link/Elf.zig
+++ b/src/link/Elf.zig
@@ -2342,6 +2342,12 @@ pub fn updateFunc(self: *Elf, module: *Module, func: *Module.Fn, air: Air, liven
     if (self.dwarf) |*dw| {
         try dw.initDeclState(decl);
     }
+    defer if (self.dwarf) |*dw| {
+        if (dw.decl_state) |*ds| {
+            ds.deinit(dw.allocator);
+            dw.decl_state = null;
+        }
+    };
 
     const res = if (self.dwarf) |*dw|
         try codegen.generateFunction(&self.base, decl.srcLoc(), func, air, liveness, &code_buffer, .{