diff --git a/lib/Decompiler/DLATypeSystem.cpp b/lib/Decompiler/DLATypeSystem.cpp
index 5acd93af7..e43553c3c 100644
--- a/lib/Decompiler/DLATypeSystem.cpp
+++ b/lib/Decompiler/DLATypeSystem.cpp
@@ -641,7 +641,7 @@ void LayoutTypeSystem::mergeNodes(const LayoutTypeSystemNodePtrVec &ToMerge) {
     // Remove From from Layouts
     bool Erased = Layouts.erase(From);
     revng_assert(Erased);
-    __asan_poison_memory_region(From, sizeof(LayoutTypeSystemNode));
+    NodeAllocator.Deallocate(From);
   }
 }
 
@@ -675,7 +675,7 @@ void LayoutTypeSystem::removeNode(LayoutTypeSystemNode *ToRemove) {
 
   bool Erased = Layouts.erase(ToRemove);
   revng_assert(Erased);
-  __asan_poison_memory_region(ToRemove, sizeof(LayoutTypeSystemNode));
+  NodeAllocator.Deallocate(ToRemove);
 }
 
 static void moveEdgesWithoutSumming(LayoutTypeSystemNode *OldSrc,
diff --git a/lib/Decompiler/DLATypeSystem.h b/lib/Decompiler/DLATypeSystem.h
index 364b0633e..56fc73222 100644
--- a/lib/Decompiler/DLATypeSystem.h
+++ b/lib/Decompiler/DLATypeSystem.h
@@ -261,7 +261,7 @@ private:
   uint64_t NID = 0ULL;
 
   // Holds all the LayoutTypeSystemNode
-  llvm::SpecificBumpPtrAllocator<LayoutTypeSystemNode> NodeAllocator = {};
+  llvm::BumpPtrAllocator NodeAllocator = {};
   std::set<LayoutTypeSystemNode *> Layouts = {};
 
   // Holds the link tags, so that they can be deduplicated and referred to using