diff --git a/summingbird-batch-hadoop/src/test/scala/com/twitter/summingbird/batch/HDFSStateLaws.scala b/summingbird-batch-hadoop/src/test/scala/com/twitter/summingbird/batch/HDFSStateLaws.scala
index e217fab8d..705525e66 100644
--- a/summingbird-batch-hadoop/src/test/scala/com/twitter/summingbird/batch/HDFSStateLaws.scala
+++ b/summingbird-batch-hadoop/src/test/scala/com/twitter/summingbird/batch/HDFSStateLaws.scala
@@ -81,7 +81,8 @@ class HDFSStateLaws extends WordSpec {
     }
   }
 
-  def leftClosedRightOpenInterval(low: Timestamp, high: Timestamp) = Interval.leftClosedRightOpen[Timestamp](low, high).right.get
+  def leftClosedRightOpenInterval(low: Timestamp, high: Timestamp): Interval[Timestamp] =
+    Interval.leftClosedRightOpen[Timestamp](low, high)
 
   def shouldNotAcceptInterval(state: WaitingState[Interval[Timestamp]], interval: Interval[Timestamp], message: String = "PreparedState accepted a bad Interval!") = {
     state.begin.willAccept(interval) match {
diff --git a/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/BatchID.scala b/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/BatchID.scala
index e2bffd92c..4bf96bb83 100644
--- a/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/BatchID.scala
+++ b/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/BatchID.scala
@@ -93,7 +93,7 @@ object BatchID {
       .flatMap {
         case (min, max, cnt) =>
           if ((min + cnt) == (max + 1L)) {
-            Some(Interval.leftClosedRightOpen(min, max.next).right.get)
+            Some[Interval[BatchID]](Interval.leftClosedRightOpen(min, max.next))
           } else {
             // These batches are not contiguous, not an interval
             None
diff --git a/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/TimeStamp.scala b/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/TimeStamp.scala
index 9c64bee36..6a0e50722 100644
--- a/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/TimeStamp.scala
+++ b/summingbird-batch/src/main/scala/com/twitter/summingbird/batch/TimeStamp.scala
@@ -56,13 +56,11 @@ object Timestamp {
   implicit val timestampSuccessible: Successible[Timestamp] = new Successible[Timestamp] {
     def next(old: Timestamp) = if (old.milliSinceEpoch != Long.MaxValue) Some(old.next) else None
     def ordering: Ordering[Timestamp] = Timestamp.orderingOnTimestamp
-    def partialOrdering = Timestamp.orderingOnTimestamp
   }
 
   implicit val timestampPredecessible: Predecessible[Timestamp] = new Predecessible[Timestamp] {
     def prev(old: Timestamp) = if (old.milliSinceEpoch != Long.MinValue) Some(old.prev) else None
     def ordering: Ordering[Timestamp] = Timestamp.orderingOnTimestamp
-    def partialOrdering = Timestamp.orderingOnTimestamp
   }
 
   // This is a right semigroup, that given any two Timestamps just take the one on the right.
diff --git a/summingbird-batch/src/test/scala/com/twitter/summingbird/batch/BatchLaws.scala b/summingbird-batch/src/test/scala/com/twitter/summingbird/batch/BatchLaws.scala
index b32247a98..131556175 100644
--- a/summingbird-batch/src/test/scala/com/twitter/summingbird/batch/BatchLaws.scala
+++ b/summingbird-batch/src/test/scala/com/twitter/summingbird/batch/BatchLaws.scala
@@ -68,10 +68,7 @@ object BatchLaws extends Properties("BatchID") {
     forAll(Arbitrary.arbitrary[BatchID], Gen.choose(0L, 1000L)) { (b1: BatchID, diff: Long) =>
       // We can't enumerate too much:
       val b2 = b1 + diff
-      val interval = Interval.leftClosedRightOpen(b1, b2.next) match {
-        case Left(i) => i
-        case Right(i) => i
-      }
+      val interval: Interval[BatchID] = Interval.leftClosedRightOpen(b1, b2.next)
       (BatchID.toInterval(BatchID.range(b1, b2)) == Some(interval)) &&
         BatchID.toIterable(interval).toList == BatchID.range(b1, b2).toList
     }
diff --git a/summingbird-builder/src/main/scala/com/twitter/summingbird/scalding/VersionedState.scala b/summingbird-builder/src/main/scala/com/twitter/summingbird/scalding/VersionedState.scala
index 1154796fa..5d03a57c8 100644
--- a/summingbird-builder/src/main/scala/com/twitter/summingbird/scalding/VersionedState.scala
+++ b/summingbird-builder/src/main/scala/com/twitter/summingbird/scalding/VersionedState.scala
@@ -81,7 +81,7 @@ private[scalding] class VersionedState(meta: HDFSMetadata, startDate: Option[Tim
       Interval.leftClosedRightOpen(
         batcher.earliestTimeOf(beginning),
         batcher.earliestTimeOf(end)
-      ).right.get
+      )
     }
 
     def willAccept(available: Interval[Timestamp]) =