diff --git a/src/Microsoft.OpenApi.OData.Reader/Common/Utils.cs b/src/Microsoft.OpenApi.OData.Reader/Common/Utils.cs
index 52192e32..f14013a6 100644
--- a/src/Microsoft.OpenApi.OData.Reader/Common/Utils.cs
+++ b/src/Microsoft.OpenApi.OData.Reader/Common/Utils.cs
@@ -135,31 +135,6 @@ internal static string NavigationPropertyPath(this ODataPath path, string naviga
             return navigationPropertyName == null ? value : $"{value}/{navigationPropertyName}";
         }
 
-        /// <summary>
-        /// Attempts to add the specified key and value to the dictionary.
-        /// </summary>
-        /// <typeparam name="TKey">The type of the keys in the dictionary</typeparam>
-        /// <typeparam name="TValue">The type of the values in the dictionary</typeparam>
-        /// <param name="dictionary">A dictionary with keys of type TKey and values of type TValue.</param>
-        /// <param name="key">The key of the element to add.</param>
-        /// <param name="value">The value of the element to add.</param>
-        /// <returns>true when the key and value are successfully added to the dictionary; 
-        /// false when the dictionary already contains the specified key, 
-        /// in which case nothing gets added.</returns>
-        /// <exception cref="System.ArgumentNullException">dictionary is null.</exception>
-        internal static bool TryAdd<TKey, TValue>(this IDictionary<TKey, TValue> dictionary,
-            TKey key, TValue value)
-        {
-            CheckArgumentNull(dictionary, nameof(dictionary));
-
-            if (!dictionary.ContainsKey(key))
-            {
-                dictionary.Add(key, value);
-                return true;
-            }
-            return false;
-        }
-
         /// <summary>
         /// Adds a mapping of custom extension values against custom attribute values for a given element to the provided
         /// extensions object.
diff --git a/src/Microsoft.OpenApi.OData.Reader/Microsoft.OpenAPI.OData.Reader.csproj b/src/Microsoft.OpenApi.OData.Reader/Microsoft.OpenAPI.OData.Reader.csproj
index ae93400d..07b56d42 100644
--- a/src/Microsoft.OpenApi.OData.Reader/Microsoft.OpenAPI.OData.Reader.csproj
+++ b/src/Microsoft.OpenApi.OData.Reader/Microsoft.OpenAPI.OData.Reader.csproj
@@ -12,7 +12,7 @@
     <Company>Microsoft</Company>
     <Title>Microsoft Open API OData Reader</Title>
     <RootNamespace>Microsoft.OpenApi.OData</RootNamespace>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net8</TargetFrameworks>
     <PackageId>Microsoft.OpenApi.OData</PackageId>
     <SignAssembly>true</SignAssembly>
     <Version>1.6.8</Version>