diff --git a/TidepoolServiceKit/DeviceLogUploader.swift b/TidepoolServiceKit/DeviceLogUploader.swift
index 109bc7d..ef60f01 100644
--- a/TidepoolServiceKit/DeviceLogUploader.swift
+++ b/TidepoolServiceKit/DeviceLogUploader.swift
@@ -7,7 +7,6 @@
 //
 
 import Foundation
-import LoopAlgorithm
 import LoopKit
 import os.log
 import TidepoolKit
@@ -132,3 +131,13 @@ extension DeviceLogEntryType {
         }
     }
 }
+
+fileprivate extension Date {
+    func dateFlooredToTimeInterval(_ interval: TimeInterval) -> Date {
+        if interval == 0 {
+            return self
+        }
+
+        return Date(timeIntervalSinceReferenceDate: floor(self.timeIntervalSinceReferenceDate / interval) * interval)
+    }
+}
diff --git a/TidepoolServiceKit/Extensions/DoseEntry.swift b/TidepoolServiceKit/Extensions/DoseEntry.swift
index 316681c..dffe2a9 100644
--- a/TidepoolServiceKit/Extensions/DoseEntry.swift
+++ b/TidepoolServiceKit/Extensions/DoseEntry.swift
@@ -6,7 +6,6 @@
 //  Copyright © 2022 LoopKit Authors. All rights reserved.
 //
 
-import LoopAlgorithm
 import LoopKit
 import TidepoolKit
 
diff --git a/TidepoolServiceKit/Extensions/Double.swift b/TidepoolServiceKit/Extensions/Double.swift
index 4f55fc4..e49ebde 100644
--- a/TidepoolServiceKit/Extensions/Double.swift
+++ b/TidepoolServiceKit/Extensions/Double.swift
@@ -6,7 +6,6 @@
 //  Copyright © 2021 LoopKit Authors. All rights reserved.
 //
 
-import LoopAlgorithm
 import LoopKit
 
 extension DoubleRange {
diff --git a/TidepoolServiceKit/Extensions/GlucoseRangeSchedule.swift b/TidepoolServiceKit/Extensions/GlucoseRangeSchedule.swift
index 8f6939c..52db3f4 100644
--- a/TidepoolServiceKit/Extensions/GlucoseRangeSchedule.swift
+++ b/TidepoolServiceKit/Extensions/GlucoseRangeSchedule.swift
@@ -6,7 +6,6 @@
 //  Copyright © 2021 LoopKit Authors. All rights reserved.
 //
 
-import LoopAlgorithm
 import LoopKit
 
 extension GlucoseRangeSchedule {
diff --git a/TidepoolServiceKit/Extensions/InsulinType.swift b/TidepoolServiceKit/Extensions/InsulinType.swift
index 1437960..d436afc 100644
--- a/TidepoolServiceKit/Extensions/InsulinType.swift
+++ b/TidepoolServiceKit/Extensions/InsulinType.swift
@@ -8,7 +8,6 @@
 
 import LoopKit
 import TidepoolKit
-import LoopAlgorithm
 
 extension InsulinType {
     var datum: TInsulinDatum.Formulation {
diff --git a/TidepoolServiceKit/Extensions/SingleQuantitySchedule.swift b/TidepoolServiceKit/Extensions/SingleQuantitySchedule.swift
index e83c3f7..0306b99 100644
--- a/TidepoolServiceKit/Extensions/SingleQuantitySchedule.swift
+++ b/TidepoolServiceKit/Extensions/SingleQuantitySchedule.swift
@@ -6,7 +6,6 @@
 //  Copyright © 2021 LoopKit Authors. All rights reserved.
 //
 
-import LoopAlgorithm
 import LoopKit
 
 extension SingleQuantitySchedule {
diff --git a/TidepoolServiceKit/Extensions/StoredDosingDecision.swift b/TidepoolServiceKit/Extensions/StoredDosingDecision.swift
index 142d979..d52dc5b 100644
--- a/TidepoolServiceKit/Extensions/StoredDosingDecision.swift
+++ b/TidepoolServiceKit/Extensions/StoredDosingDecision.swift
@@ -6,7 +6,6 @@
 //  Copyright © 2021 LoopKit Authors. All rights reserved.
 //
 
-import LoopAlgorithm
 import LoopKit
 import TidepoolKit
 
diff --git a/TidepoolServiceKitTests/Extensions/DoseEntryTests.swift b/TidepoolServiceKitTests/Extensions/DoseEntryTests.swift
index 74df2dc..e1adb65 100644
--- a/TidepoolServiceKitTests/Extensions/DoseEntryTests.swift
+++ b/TidepoolServiceKitTests/Extensions/DoseEntryTests.swift
@@ -12,7 +12,6 @@ import XCTest
 import Foundation
 import LoopKit
 import TidepoolKit
-import LoopAlgorithm
 @testable import TidepoolServiceKit
 
 class DoseEntryDataTests: XCTestCase {
diff --git a/TidepoolServiceKitTests/Extensions/PersistedPumpEventTests.swift b/TidepoolServiceKitTests/Extensions/PersistedPumpEventTests.swift
index 4d37449..d5d5f0d 100644
--- a/TidepoolServiceKitTests/Extensions/PersistedPumpEventTests.swift
+++ b/TidepoolServiceKitTests/Extensions/PersistedPumpEventTests.swift
@@ -8,7 +8,6 @@
 
 import XCTest
 import Foundation
-import LoopAlgorithm
 import LoopKit
 @testable import TidepoolServiceKit
 
diff --git a/TidepoolServiceKitTests/Extensions/StoredDosingDecisionTests.swift b/TidepoolServiceKitTests/Extensions/StoredDosingDecisionTests.swift
index 040b2ab..d8b0be8 100644
--- a/TidepoolServiceKitTests/Extensions/StoredDosingDecisionTests.swift
+++ b/TidepoolServiceKitTests/Extensions/StoredDosingDecisionTests.swift
@@ -10,7 +10,6 @@ import XCTest
 import HealthKit
 import LoopKit
 import TidepoolKit
-import LoopAlgorithm
 @testable import TidepoolServiceKit
 
 class StoredDosingDecisionTests: XCTestCase {
diff --git a/TidepoolServiceKitTests/Extensions/StoredGlucoseSampleTests.swift b/TidepoolServiceKitTests/Extensions/StoredGlucoseSampleTests.swift
index 25e93be..9305a98 100644
--- a/TidepoolServiceKitTests/Extensions/StoredGlucoseSampleTests.swift
+++ b/TidepoolServiceKitTests/Extensions/StoredGlucoseSampleTests.swift
@@ -7,7 +7,6 @@
 //
 
 import XCTest
-import LoopAlgorithm
 import TidepoolKit
 import LoopKit
 @testable import TidepoolServiceKit
diff --git a/TidepoolServiceKitTests/Extensions/StoredSettingsTests.swift b/TidepoolServiceKitTests/Extensions/StoredSettingsTests.swift
index f53d1be..43e9b3a 100644
--- a/TidepoolServiceKitTests/Extensions/StoredSettingsTests.swift
+++ b/TidepoolServiceKitTests/Extensions/StoredSettingsTests.swift
@@ -8,7 +8,6 @@
 
 import XCTest
 import HealthKit
-import LoopAlgorithm
 import LoopKit
 import TidepoolKit
 @testable import TidepoolServiceKit