diff --git a/chia/_tests/clvm/test_puzzles.py b/chia/_tests/clvm/test_puzzles.py
index 1d23a68f8db9..8e8e2bb6f073 100644
--- a/chia/_tests/clvm/test_puzzles.py
+++ b/chia/_tests/clvm/test_puzzles.py
@@ -28,7 +28,7 @@
 T1 = CoinTimestamp(1, uint32(10000000))
 T2 = CoinTimestamp(5, uint32(10003000))
 
-MAX_BLOCK_COST_CLVM = int(1e18)
+MAX_BLOCK_COST_CLVM = 10**18
 
 
 def secret_exponent_for_index(index: int) -> int:
diff --git a/chia/_tests/generator/test_rom.py b/chia/_tests/generator/test_rom.py
index 8155c54f6377..f98eafe624bd 100644
--- a/chia/_tests/generator/test_rom.py
+++ b/chia/_tests/generator/test_rom.py
@@ -15,7 +15,7 @@
 from chia.util.ints import uint32
 from chia.wallet.puzzles.load_clvm import load_clvm, load_serialized_clvm_maybe_recompile
 
-MAX_COST = int(1e15)
+MAX_COST = 10**15
 COST_PER_BYTE = int(12000)
 
 
diff --git a/chia/_tests/wallet/test_singleton_lifecycle_fast.py b/chia/_tests/wallet/test_singleton_lifecycle_fast.py
index 746571466dc7..6f3cdbad00fc 100644
--- a/chia/_tests/wallet/test_singleton_lifecycle_fast.py
+++ b/chia/_tests/wallet/test_singleton_lifecycle_fast.py
@@ -35,7 +35,7 @@
 
 POOL_REWARD_PREFIX_MAINNET = bytes32.fromhex("ccd5bb71183532bff220ba46c268991a00000000000000000000000000000000")
 
-MAX_BLOCK_COST_CLVM = int(1e18)
+MAX_BLOCK_COST_CLVM = 10**18
 
 T = TypeVar("T")