diff --git a/polkadot/runtime/common/src/lib.rs b/polkadot/runtime/common/src/lib.rs
index 3fb1d902130729b02ce0cd3a55cc3d0f96d69c30..7d7a789d828c79f31efedd8a75b810b603468959 100644
--- a/polkadot/runtime/common/src/lib.rs
+++ b/polkadot/runtime/common/src/lib.rs
@@ -43,7 +43,7 @@ use frame_support::{
 	weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight},
 };
 use frame_system::limits;
-use primitives::v2::{AssignmentId, Balance, BlockNumber, ValidatorId, MAX_POV_SIZE};
+use primitives::v2::{AssignmentId, Balance, BlockNumber, ValidatorId};
 use sp_runtime::{FixedPointNumber, Perbill, Perquintill};
 use static_assertions::const_assert;
 
@@ -69,9 +69,10 @@ pub const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(1);
 /// We allow `Normal` extrinsics to fill up the block up to 75%, the rest can be used
 /// by  Operational  extrinsics.
 pub const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
+/// We allow for 2 seconds of compute with a 6 second average block time.
 /// The storage proof size is not limited so far.
 pub const MAXIMUM_BLOCK_WEIGHT: Weight =
-	Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND.saturating_mul(2), MAX_POV_SIZE as u64);
+	Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND.saturating_mul(2), u64::MAX);
 
 const_assert!(NORMAL_DISPATCH_RATIO.deconstruct() >= AVERAGE_ON_INITIALIZE_RATIO.deconstruct());