diff --git a/tests/NRedisStack.Tests/Examples/ExampleTests.cs b/tests/NRedisStack.Tests/Examples/ExampleTests.cs
index f788f4af..be3f2ca7 100644
--- a/tests/NRedisStack.Tests/Examples/ExampleTests.cs
+++ b/tests/NRedisStack.Tests/Examples/ExampleTests.cs
@@ -20,7 +20,7 @@ namespace NRedisStack.Tests;
 public class ExampleTests : AbstractNRedisStackTest, IDisposable
 {
     private readonly ITestOutputHelper testOutputHelper;
-    private readonly string key = "EXAMPLES_TESTS";
+    // private readonly string key = "EXAMPLES_TESTS";
     public ExampleTests(RedisFixture redisFixture, ITestOutputHelper testOutputHelper) : base(redisFixture)
     {
         this.testOutputHelper = testOutputHelper;
diff --git a/tests/NRedisStack.Tests/Gears/GearsTests.cs b/tests/NRedisStack.Tests/Gears/GearsTests.cs
index 16074dbf..e4c5e7bb 100644
--- a/tests/NRedisStack.Tests/Gears/GearsTests.cs
+++ b/tests/NRedisStack.Tests/Gears/GearsTests.cs
@@ -5,7 +5,7 @@ namespace NRedisStack.Tests.Gears;
 
 public class GearsTests : AbstractNRedisStackTest, IDisposable
 {
-    private readonly string key = "GEARS_TESTS";
+    // private readonly string key = "GEARS_TESTS";
     public GearsTests(RedisFixture redisFixture) : base(redisFixture) { }
 
     [SkipIfRedis(Comparison.LessThan, "7.1.242")]
diff --git a/tests/NRedisStack.Tests/Graph/GraphTests.cs b/tests/NRedisStack.Tests/Graph/GraphTests.cs
index b9dae8f7..10a6e6b3 100644
--- a/tests/NRedisStack.Tests/Graph/GraphTests.cs
+++ b/tests/NRedisStack.Tests/Graph/GraphTests.cs
@@ -8,7 +8,7 @@ namespace NRedisStack.Tests.Graph;
 
 public class GraphTests : AbstractNRedisStackTest, IDisposable
 {
-    private readonly string key = "GRAPH_TESTS";
+    // private readonly string key = "GRAPH_TESTS";
     public GraphTests(RedisFixture redisFixture) : base(redisFixture) { }
 
     #region SyncTests
diff --git a/tests/NRedisStack.Tests/Json/JsonTests.cs b/tests/NRedisStack.Tests/Json/JsonTests.cs
index 492acc12..36b8fa3a 100644
--- a/tests/NRedisStack.Tests/Json/JsonTests.cs
+++ b/tests/NRedisStack.Tests/Json/JsonTests.cs
@@ -9,7 +9,7 @@ namespace NRedisStack.Tests;
 
 public class JsonTests : AbstractNRedisStackTest, IDisposable
 {
-    private readonly string _testName = "JSON_TESTS";
+    // private readonly string _testName = "JSON_TESTS";
     public JsonTests(RedisFixture redisFixture) : base(redisFixture) { }
 
     [Fact]
diff --git a/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestAddAsync.cs b/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestAddAsync.cs
index c7ec525d..d0a77c4b 100644
--- a/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestAddAsync.cs
+++ b/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestAddAsync.cs
@@ -90,6 +90,7 @@ public async Task TestAddWithLabels()
         }
 
         [Fact]
+        [Obsolete]
         public async Task TestAddWithChunkSize()
         {
             var key = CreateKeyName();
diff --git a/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestDecrByAsync.cs b/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestDecrByAsync.cs
index 87a29974..463f69d6 100644
--- a/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestDecrByAsync.cs
+++ b/tests/NRedisStack.Tests/TimeSeries/TestAPI/TestDecrByAsync.cs
@@ -51,6 +51,7 @@ public async Task TestDecrByTimeStamp()
         }
 
         [Fact]
+        [Obsolete]
         public async Task TestDefaultDecrByWithRetentionTime()
         {
             var key = CreateKeyName();
@@ -62,13 +63,14 @@ public async Task TestDefaultDecrByWithRetentionTime()
             Assert.True(await ts.DecrByAsync(key, -value, retentionTime: retentionTime) > 0);
 
             var result = await ts.GetAsync(key);
-            Assert.Equal(value, result.Val);
+            Assert.Equal(value, result!.Val);
 
             var info = await ts.InfoAsync(key);
             Assert.Equal(retentionTime, info.RetentionTime);
         }
 
         [Fact]
+        [Obsolete]
         public async Task TestDefaultDecrByWithLabels()
         {
             var key = CreateKeyName();
@@ -81,7 +83,7 @@ public async Task TestDefaultDecrByWithLabels()
             Assert.True(await ts.DecrByAsync(key, -value, labels: labels) > 0);
 
             var result = await ts.GetAsync(key);
-            Assert.Equal(value, result.Val);
+            Assert.Equal(value, result!.Val);
 
             var info = await ts.InfoAsync(key);
             Assert.Equal(labels, info.Labels);
@@ -98,7 +100,7 @@ public async Task TestDefaultDecrByWithUncompressed()
             Assert.True(await ts.DecrByAsync(key, -value, uncompressed: true) > 0);
 
             var result = await ts.GetAsync(key);
-            Assert.Equal(value, result.Val);
+            Assert.Equal(value, result!.Val);
         }
 
         [Fact]
diff --git a/tests/NRedisStack.Tests/TimeSeries/TimeSeriesTests.cs b/tests/NRedisStack.Tests/TimeSeries/TimeSeriesTests.cs
index 6874fa83..cf7615a8 100644
--- a/tests/NRedisStack.Tests/TimeSeries/TimeSeriesTests.cs
+++ b/tests/NRedisStack.Tests/TimeSeries/TimeSeriesTests.cs
@@ -7,7 +7,7 @@ namespace NRedisStack.Tests.TimeSeries;
 
 public class TimeSeriesTests : AbstractNRedisStackTest, IDisposable
 {
-    private readonly string key = "TIME_SERIES_TESTS";
+    // private readonly string key = "TIME_SERIES_TESTS";
     public TimeSeriesTests(RedisFixture redisFixture) : base(redisFixture) { }
 
     // [Fact]