diff --git a/dotnet/tests/AgentConformance.IntegrationTests/RunTests.cs b/dotnet/tests/AgentConformance.IntegrationTests/RunTests.cs
index d2b34eb419..887faaac24 100644
--- a/dotnet/tests/AgentConformance.IntegrationTests/RunTests.cs
+++ b/dotnet/tests/AgentConformance.IntegrationTests/RunTests.cs
@@ -44,7 +44,6 @@ public abstract class RunTests<TAgentFixture>(Func<TAgentFixture> createAgentFix
 
         // Assert
         Assert.NotNull(response);
-        Assert.Single(response.Messages);
         Assert.Contains("Paris", response.Text);
         Assert.Equal(agent.Id, response.AgentId);
     }
@@ -62,7 +61,6 @@ public abstract class RunTests<TAgentFixture>(Func<TAgentFixture> createAgentFix
 
         // Assert
         Assert.NotNull(response);
-        Assert.Single(response.Messages);
         Assert.Contains("Paris", response.Text);
     }
 
@@ -84,7 +82,6 @@ public abstract class RunTests<TAgentFixture>(Func<TAgentFixture> createAgentFix
 
         // Assert
         Assert.NotNull(response);
-        Assert.Single(response.Messages);
         Assert.Contains("Paris", response.Text);
     }