diff --git a/debuginfo/src/object.rs b/debuginfo/src/object.rs
index ac194ae4a..7de19d1d1 100644
--- a/debuginfo/src/object.rs
+++ b/debuginfo/src/object.rs
@@ -346,7 +346,7 @@ impl<'d> ObjectLike for Object<'d> {
     }
 
     fn symbols(&self) -> DynIterator<'_, Symbol<'_>> {
-        Box::new(self.symbols())
+        unsafe { std::mem::transmute(Box::new(self.symbols()) as DynIterator<'_, _>) }
     }
 
     fn has_debug_info(&self) -> bool {
diff --git a/debuginfo/src/pdb.rs b/debuginfo/src/pdb.rs
index 4316d291b..2b57cd4e9 100644
--- a/debuginfo/src/pdb.rs
+++ b/debuginfo/src/pdb.rs
@@ -292,7 +292,8 @@ impl<'d> ObjectLike for PdbObject<'d> {
     }
 
     fn symbols(&self) -> DynIterator<'_, Symbol<'_>> {
-        Box::new(self.symbols())
+        // TODO: Avoid this transmute by introducing explicit lifetimes on the trait.
+        unsafe { std::mem::transmute(Box::new(self.symbols()) as DynIterator<'_, _>) }
     }
 
     fn symbol_map(&self) -> SymbolMap<'_> {