diff --git a/mythril/analysis/modules/dependence_on_predictable_vars.py b/mythril/analysis/modules/dependence_on_predictable_vars.py
index efc326dd..8aaa375c 100644
--- a/mythril/analysis/modules/dependence_on_predictable_vars.py
+++ b/mythril/analysis/modules/dependence_on_predictable_vars.py
@@ -18,18 +18,15 @@ predictable_ops = ["COINBASE", "GASLIMIT", "TIMESTAMP", "NUMBER"]
 final_ops = ["CALL", "SUICIDE", "STOP", "RETURN"]
 
 
-# One of Bernhard's trademark hacks!
-
-
-def is_prehook():
-    """Check if we are in prehook."""
+def is_prehook() -> bool:
+    """Check if we are in prehook.  One of Bernhard's trademark hacks!"""
     return "pre_hook" in traceback.format_stack()[-4]
 
 
 class PredictableValueAnnotation:
     """Symbol annotation used if a variable is initialized from a predictable environment variable."""
 
-    def __init__(self, operation) -> None:
+    def __init__(self, operation: str) -> None:
         self.operation = operation
 
 
diff --git a/mythril/laser/ethereum/instructions.py b/mythril/laser/ethereum/instructions.py
index ef15c879..f17d4401 100644
--- a/mythril/laser/ethereum/instructions.py
+++ b/mythril/laser/ethereum/instructions.py
@@ -203,9 +203,6 @@ class Instruction:
             end_time = datetime.now()
             self.iprof.record(op, start_time, end_time)
 
-        for st in global_state.mstate.stack:
-            logging.debug(st)
-
         return result
 
     @StateTransition()
@@ -1601,8 +1598,6 @@ class Instruction:
 
         op0, condition = state.stack.pop(), state.stack.pop()
 
-        logging.debug(str(condition))
-
         try:
             jump_addr = util.get_concrete_int(op0)
         except TypeError: