diff --git a/gdb-port/top-level-parse.py b/gdb-port/top-level-parse.py
index df255cf335f1746a554b9b2a597cbdc5979387e9..b3f1f6d6b81718e3ebf673a99749e2f84219fec7 100644
--- a/gdb-port/top-level-parse.py
+++ b/gdb-port/top-level-parse.py
@@ -14,17 +14,6 @@ class TopLevelParse:
 		self.parser_decombinator = None
 		self.debug_stop = False # DEBUG
 
-		# If available, extracting the allocated bytes at h_do_parse entry/exit
-		# TODO: doing it at h_do_parse gets a list of cumulative allocation sizes
-		# alloc belonging to only the function in question is calculated by
-		# tot_alloc[n] = alloc[n] - alloc[n+1]
-		# TODO: cumulative vs total
-		# TODO: could be a parserstack attribute
-		self.bytes_at_enter = []
-		self.cumulative_byte_differences = []
-		self.total_byte_differences = []
-		self.bytes_since_prev_h_do_parse = []
-
 		# Counts stack pushes/pops to determine if stopping is needed for hammer-parse-after-apply
 		self.ast_stack_index = None
 		# Holds a reference to the relevant parser stack