diff --git a/eng/Packages.Data.props b/eng/Packages.Data.props
index e7557c8ebd45..ef24f8103ce1 100644
--- a/eng/Packages.Data.props
+++ b/eng/Packages.Data.props
@@ -72,7 +72,6 @@
     <PackageReference Update="System.ValueTuple" Version="4.5.0" />
     <PackageReference Update="Microsoft.Bcl.AsyncInterfaces" Version="1.0.0" />
     <PackageReference Update="Microsoft.CSharp" Version="4.5.0" />
-    <PackageReference Update="System.Collections.Immutable" Version="1.3.1" />
 
     <!-- Azure SDK packages -->
     <PackageReference Update="Azure.Core" Version="1.13.0" />
diff --git a/sdk/resourcemanager/Azure.ResourceManager.Core/src/Adapters/WrappingPage.cs b/sdk/resourcemanager/Azure.ResourceManager.Core/src/Adapters/WrappingPage.cs
index 821f8aaff725..df1faea2f915 100644
--- a/sdk/resourcemanager/Azure.ResourceManager.Core/src/Adapters/WrappingPage.cs
+++ b/sdk/resourcemanager/Azure.ResourceManager.Core/src/Adapters/WrappingPage.cs
@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Collections.Immutable;
 using System.Linq;
 
 namespace Azure.ResourceManager.Core
@@ -32,7 +31,7 @@ internal WrappingPage(Page<TModel> wrapped, Func<TModel, TOperations> converter)
         }
 
         /// <inheritdoc/>
-        public override IReadOnlyList<TOperations> Values => _wrapped.Values.Select(_converter).ToImmutableList();
+        public override IReadOnlyList<TOperations> Values => _wrapped.Values.Select(_converter).ToList();
 
         /// <inheritdoc/>
         public override string ContinuationToken => _wrapped.ContinuationToken;
diff --git a/sdk/resourcemanager/Azure.ResourceManager.Core/src/Azure.ResourceManager.Core.csproj b/sdk/resourcemanager/Azure.ResourceManager.Core/src/Azure.ResourceManager.Core.csproj
index d6ee2a51ea77..a8877be80cd7 100644
--- a/sdk/resourcemanager/Azure.ResourceManager.Core/src/Azure.ResourceManager.Core.csproj
+++ b/sdk/resourcemanager/Azure.ResourceManager.Core/src/Azure.ResourceManager.Core.csproj
@@ -13,7 +13,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Collections.Immutable" />
     <PackageReference Include="Azure.ResourceManager.Resources" />
   </ItemGroup>