diff --git a/codex/contracts/proofs.nim b/codex/contracts/proofs.nim
index a33f5550..81ee8b68 100644
--- a/codex/contracts/proofs.nim
+++ b/codex/contracts/proofs.nim
@@ -22,14 +22,6 @@ method periodicity*(proofs: OnChainProofs): Future[Periodicity] {.async.} =
   let period = await proofs.storage.proofPeriod()
   return Periodicity(seconds: period)
 
-method isSlotCancelled*(proofs: OnChainProofs,
-                        id: SlotId): Future[bool] {.async.} =
-  return await proofs.storage.isSlotCancelled(id)
-
-method isCancelled*(proofs: OnChainProofs,
-                    id: RequestId): Future[bool] {.async.} =
-  return await proofs.storage.isCancelled(id)
-
 method isProofRequired*(proofs: OnChainProofs,
                         id: SlotId): Future[bool] {.async.} =
   return await proofs.storage.isProofRequired(id)
diff --git a/codex/contracts/storage.nim b/codex/contracts/storage.nim
index 62610b01..9989a2e5 100644
--- a/codex/contracts/storage.nim
+++ b/codex/contracts/storage.nim
@@ -45,8 +45,6 @@ proc proofTimeout*(storage: Storage): UInt256 {.contract, view.}
 
 proc proofEnd*(storage: Storage, id: SlotId): UInt256 {.contract, view.}
 proc missingProofs*(storage: Storage, id: SlotId): UInt256 {.contract, view.}
-proc isCancelled*(storage: Storage, id: RequestId): bool {.contract, view.}
-proc isSlotCancelled*(storage: Storage, id: SlotId): bool {.contract, view.}
 proc isProofRequired*(storage: Storage, id: SlotId): bool {.contract, view.}
 proc willProofBeRequired*(storage: Storage, id: SlotId): bool {.contract, view.}
 proc getChallenge*(storage: Storage, id: SlotId): array[32, byte] {.contract, view.}
diff --git a/codex/proving.nim b/codex/proving.nim
index a97fd120..05b88de2 100644
--- a/codex/proving.nim
+++ b/codex/proving.nim
@@ -42,19 +42,11 @@ proc removeEndedContracts(proving: Proving) {.async.} =
       ended.incl(id)
   proving.slots.excl(ended)
 
-proc removeCancelledContracts(proving: Proving) {.async.} =
-  var cancelled: HashSet[SlotId]
-  for id in proving.slots:
-    if (await proving.proofs.isSlotCancelled(id)):
-      cancelled.incl(id)
-  proving.slots.excl(cancelled)
-
 proc run(proving: Proving) {.async.} =
   try:
     while true:
       let currentPeriod = await proving.getCurrentPeriod()
       await proving.removeEndedContracts()
-      await proving.removeCancelledContracts()
       for id in proving.slots:
         if (await proving.proofs.isProofRequired(id)) or
           (await proving.proofs.willProofBeRequired(id)):
diff --git a/codex/storageproofs/timing/proofs.nim b/codex/storageproofs/timing/proofs.nim
index d0456a1b..6995a346 100644
--- a/codex/storageproofs/timing/proofs.nim
+++ b/codex/storageproofs/timing/proofs.nim
@@ -18,14 +18,6 @@ method periodicity*(proofs: Proofs):
                    Future[Periodicity] {.base, async.} =
   raiseAssert("not implemented")
 
-method isSlotCancelled*(proofs: Proofs,
-                        id: SlotId): Future[bool] {.base, async.} =
-  raiseAssert("not implemented")
-
-method isCancelled*(proofs: Proofs,
-                    id: RequestId): Future[bool] {.base, async.} =
-  raiseAssert("not implemented")
-
 method isProofRequired*(proofs: Proofs,
                         id: SlotId): Future[bool] {.base, async.} =
   raiseAssert("not implemented")
diff --git a/tests/codex/helpers/mockproofs.nim b/tests/codex/helpers/mockproofs.nim
index 13966f79..25bfc6ee 100644
--- a/tests/codex/helpers/mockproofs.nim
+++ b/tests/codex/helpers/mockproofs.nim
@@ -7,7 +7,6 @@ import pkg/codex/storageproofs
 type
   MockProofs* = ref object of Proofs
     periodicity: Periodicity
-    cancelledSlots: HashSet[SlotId]
     proofsRequired: HashSet[SlotId]
     proofsToBeRequired: HashSet[SlotId]
     proofEnds: Table[SlotId, UInt256]
@@ -33,16 +32,6 @@ proc setProofRequired*(mock: MockProofs, id: SlotId, required: bool) =
   else:
     mock.proofsRequired.excl(id)
 
-proc setSlotCancelled*(mock: MockProofs, id: SlotId, required: bool) =
-  if required:
-    mock.cancelledSlots.incl(id)
-  else:
-    mock.cancelledSlots.excl(id)
-
-method isSlotCancelled*(mock: MockProofs,
-                        id: SlotId): Future[bool] {.async.} =
-  return mock.cancelledSlots.contains(id)
-
 method isProofRequired*(mock: MockProofs,
                         id: SlotId): Future[bool] {.async.} =
   return mock.proofsRequired.contains(id)
diff --git a/tests/codex/testproving.nim b/tests/codex/testproving.nim
index 6ecd3dfe..cea76107 100644
--- a/tests/codex/testproving.nim
+++ b/tests/codex/testproving.nim
@@ -90,19 +90,6 @@ suite "Proving":
     proving.onProofRequired = onProofRequired
     proofs.setProofRequired(id, true)
     await proofs.advanceToNextPeriod()
-    check not called
-
-  test "stops watching when contract is cancelled":
-    let id = SlotId.example
-    proving.add(id)
-    var called: bool
-    proc onProofRequired(id: SlotId) =
-      called = true
-    proofs.setProofRequired(id, true)
-    await proofs.advanceToNextPeriod()
-    proving.onProofRequired = onProofRequired
-    proofs.setSlotCancelled(id, true)
-    await proofs.advanceToNextPeriod()
     check not proving.slots.contains(id)
     check not called
 
diff --git a/tests/contracts/testContracts.nim b/tests/contracts/testContracts.nim
index 676a12b2..83681c45 100644
--- a/tests/contracts/testContracts.nim
+++ b/tests/contracts/testContracts.nim
@@ -76,20 +76,10 @@ ethersuite "Storage contracts":
     await provider.advanceTimeTo(await storage.proofEnd(slotId))
     await storage.payoutSlot(request.id, 0.u256)
 
-  test "a request is cancelled after expiry":
-    check not await storage.isCancelled(request.id)
-    await provider.advanceTimeTo(request.expiry + 1)
-    check await storage.isCancelled(request.id)
-
-  test "a slot is cancelled after expiry":
-    check not await storage.isSlotCancelled(slotId)
-    await provider.advanceTimeTo(request.expiry + 1)
-    check await storage.isSlotCancelled(slotId)
-
   test "cannot mark proofs missing for cancelled request":
     await provider.advanceTimeTo(request.expiry + 1)
     switchAccount(client)
     let missingPeriod = periodicity.periodOf(await provider.currentTime())
     await provider.advanceTime(periodicity.seconds)
-    revertsWith "Request was cancelled":
+    revertsWith "Slot not accepting proofs":
       await storage.markProofAsMissing(slotId, missingPeriod)
diff --git a/vendor/dagger-contracts b/vendor/dagger-contracts
index 06bbfdb3..06e58fdc 160000
--- a/vendor/dagger-contracts
+++ b/vendor/dagger-contracts
@@ -1 +1 @@
-Subproject commit 06bbfdb3a64428d1f5367f8cb6488ec093eddff5
+Subproject commit 06e58fdc4923999cb93e54b55a5e68da26435628