diff --git a/Funcky.Async.Test/AsyncSequence/CycleRangeTest.cs b/Funcky.Async.Test/AsyncSequence/CycleRangeTest.cs
index c91e8d09..0ae05a43 100644
--- a/Funcky.Async.Test/AsyncSequence/CycleRangeTest.cs
+++ b/Funcky.Async.Test/AsyncSequence/CycleRangeTest.cs
@@ -38,7 +38,7 @@ public async Task CycleRangeEnumeratesUnderlyingEnumerableOnlyOnceAsync()
         await using var cycleRange = AsyncSequence.CycleRange(enumerateOnce);
 
         await cycleRange
-            .Take(sequence.Count() * 3)
+            .Take(sequence.Count * 3)
             .ForEachAsync(NoOperation<string>);
     }
 
diff --git a/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/PairwiseTest.cs b/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/PairwiseTest.cs
index 493f7d1b..19458f38 100644
--- a/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/PairwiseTest.cs
+++ b/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/PairwiseTest.cs
@@ -32,7 +32,7 @@ public async Task GivenASequencePairWiseReturnsTheElementsPairwise()
         var asyncSequence = Enumerable.Range(0, numberOfElements).ToAsyncEnumerable();
 
         var pairs = await asyncSequence.Pairwise().ToListAsync();
-        Assert.Equal(numberOfElements - 1, pairs.Count());
+        Assert.Equal(numberOfElements - 1, pairs.Count);
 
         foreach (var (pair, index) in pairs.Select((pair, index) => (pair, index)))
         {
diff --git a/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/ShuffleTest.cs b/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/ShuffleTest.cs
index 2253f623..1afdf5b2 100644
--- a/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/ShuffleTest.cs
+++ b/Funcky.Async.Test/Extensions/AsyncEnumerableExtensions/ShuffleTest.cs
@@ -36,6 +36,6 @@ public Property AShuffleHasTheSameElementsAsTheSource(List<int> source)
 
     [Property]
     public Property AShuffleHasTheSameLengthAsTheSource(List<int> source)
-        => (source.ToAsyncEnumerable().ShuffleAsync().Result.Count() == source.Count)
+        => (source.ToAsyncEnumerable().ShuffleAsync().Result.Count == source.Count)
             .ToProperty();
 }