diff --git a/src/core/pool_func.hpp b/src/core/pool_func.hpp
index 299aee86ce..2f87d3de27 100644
--- a/src/core/pool_func.hpp
+++ b/src/core/pool_func.hpp
@@ -123,10 +123,6 @@ DEFINE_POOL_METHOD(void *)::GetNew(size_t size)
 {
 	size_t index = this->FindFirstFree();
 
-#ifdef OTTD_ASSERT
-	assert(this->checked != 0);
-	this->checked--;
-#endif /* OTTD_ASSERT */
 	if (index == NO_FREE_ITEM) {
 		error("%s: no more free items", this->name);
 	}
diff --git a/src/core/pool_type.hpp b/src/core/pool_type.hpp
index 395aa8438d..e5211235cb 100644
--- a/src/core/pool_type.hpp
+++ b/src/core/pool_type.hpp
@@ -32,9 +32,6 @@ struct Pool {
 	size_t first_free;   ///< No item with index lower than this is free (doesn't say anything about this one!)
 	size_t first_unused; ///< This and all higher indexes are free (doesn't say anything about first_unused-1 !)
 	size_t items;        ///< Number of used indexes (non-NULL)
-#ifdef OTTD_ASSERT
-	size_t checked;      ///< Number of items we checked for
-#endif /* OTTD_ASSERT */
 	bool cleaning;       ///< True if cleaning pool (deleting all items)
 
 	Titem **data;        ///< Pointer to array of pointers to Titem
@@ -71,11 +68,7 @@ struct Pool {
 	 */
 	FORCEINLINE bool CanAllocate(size_t n = 1)
 	{
-		bool ret = this->items <= Tmax_size - n;
-#ifdef OTTD_ASSERT
-		this->checked = ret ? n : 0;
-#endif /* OTTD_ASSERT */
-		return ret;
+		return this->items <= Tmax_size - n;
 	}
 
 	/**