diff --git a/src/ObservableCollections/ObservableCollections.csproj b/src/ObservableCollections/ObservableCollections.csproj
index fbd4c20..0ad6220 100644
--- a/src/ObservableCollections/ObservableCollections.csproj
+++ b/src/ObservableCollections/ObservableCollections.csproj
@@ -4,6 +4,7 @@
         <TargetFrameworks>netstandard2.0;netstandard2.1;net5.0;net6.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <LangVersion>10.0</LangVersion>
+        <ImplicitUsings>disable</ImplicitUsings>
 
         <!-- NuGet Packaging -->
         <PackageTags>collection</PackageTags>