diff --git a/contracts/Marketplace.sol b/contracts/Marketplace.sol
index 865b0e4..4357ab8 100644
--- a/contracts/Marketplace.sol
+++ b/contracts/Marketplace.sol
@@ -261,15 +261,6 @@ contract Marketplace is Collateral, Proofs, StateRetrieval {
     return slot.requestId;
   }
 
-  /// @notice Return true if the request state the slot belongs to is RequestState.Cancelled or if the request expiry time has elapsed and the request was never started.
-  /// @dev Handles the case when a request may have been cancelled, but the client has not withdrawn its funds yet, and therefore the state has not yet been updated.
-  /// @param slotId the id of the slot
-  /// @return true if request is cancelled
-  function _isSlotCancelled(SlotId slotId) internal view returns (bool) {
-    RequestId requestId = _getRequestIdForSlot(slotId);
-    return _isCancelled(requestId);
-  }
-
   function getHost(SlotId slotId) public view returns (address) {
     return slots[slotId].host;
   }
diff --git a/contracts/TestMarketplace.sol b/contracts/TestMarketplace.sol
index d53a5a1..6a32e6d 100644
--- a/contracts/TestMarketplace.sol
+++ b/contracts/TestMarketplace.sol
@@ -34,10 +34,6 @@ contract TestMarketplace is Marketplace {
     return _isCancelled(requestId);
   }
 
-  function isSlotCancelled(SlotId slotId) public view returns (bool) {
-    return _isSlotCancelled(slotId);
-  }
-
   function forciblyFreeSlot(SlotId slotId) public {
     _forciblyFreeSlot(slotId);
   }
diff --git a/test/Marketplace.test.js b/test/Marketplace.test.js
index c12d381..470eb4a 100644
--- a/test/Marketplace.test.js
+++ b/test/Marketplace.test.js
@@ -659,19 +659,6 @@ describe("Marketplace", function () {
       await expect(await marketplace.isCancelled(slot.request)).to.be.true
     })
 
-    it("rejects isSlotCancelled when slot is empty", async function () {
-      await expect(
-        marketplace.isSlotCancelled(slotId(slot))
-      ).to.be.revertedWith("Slot empty")
-    })
-
-    it("changes isSlotCancelled to true once request is cancelled", async function () {
-      await marketplace.fillSlot(slot.request, slot.index, proof)
-      await expect(await marketplace.isSlotCancelled(slotId(slot))).to.be.false
-      await waitUntilCancelled(request)
-      await expect(await marketplace.isSlotCancelled(slotId(slot))).to.be.true
-    })
-
     it("changes proofEnd to the past when request is cancelled", async function () {
       await marketplace.fillSlot(slot.request, slot.index, proof)
       await expect(await marketplace.proofEnd(slotId(slot))).to.be.gt(