diff --git a/Modbus.Net/ModBus.Net/ModBus.Net.csproj b/Modbus.Net/ModBus.Net/ModBus.Net.csproj
index 7ac7073..1f99c71 100644
--- a/Modbus.Net/ModBus.Net/ModBus.Net.csproj
+++ b/Modbus.Net/ModBus.Net/ModBus.Net.csproj
@@ -31,10 +31,11 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
+    <SignAssembly>false</SignAssembly>
   </PropertyGroup>
   <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.pfx</AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>
+    </AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
@@ -96,9 +97,6 @@
       <LastGenOutput>ConfigurationManager.Designer.cs</LastGenOutput>
     </EmbeddedResource>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="key.pfx" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Modbus.Net/ModBus.Net/key.pfx b/Modbus.Net/ModBus.Net/key.pfx
deleted file mode 100644
index e6d56aa..0000000
Binary files a/Modbus.Net/ModBus.Net/key.pfx and /dev/null differ