diff --git a/NetTopologySuite.IO.Oracle.Test/NetTopologySuite.IO.Oracle.Test.csproj b/NetTopologySuite.IO.Oracle.Test/NetTopologySuite.IO.Oracle.Test.csproj
index 17f5c84..dc37f75 100644
--- a/NetTopologySuite.IO.Oracle.Test/NetTopologySuite.IO.Oracle.Test.csproj
+++ b/NetTopologySuite.IO.Oracle.Test/NetTopologySuite.IO.Oracle.Test.csproj
@@ -11,7 +11,6 @@
   <Import Project="$(SolutionDir)NetTopologySuite.Common.props" />
 
   <ItemGroup>
-    <PackageReference Include="NetTopologySuite.Core" Version="1.15.1" />
     <PackageReference Include="NUnit.ConsoleRunner" Version="3.9.0" />
     <PackageReference Include="nunit" Version="3.10.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />