diff --git a/samples/Directory.Build.props b/samples/Directory.Build.props
new file mode 100644
index 0000000..d780984
--- /dev/null
+++ b/samples/Directory.Build.props
@@ -0,0 +1,9 @@
+<Project>
+  <PropertyGroup>
+    <!-- Disable deterministic source paths for sample projects -->
+    <DeterministicSourcePaths>False</DeterministicSourcePaths>
+
+    <!-- Never pack any sample projects -->
+    <IsPackable>False</IsPackable>
+  </PropertyGroup>
+</Project>
diff --git a/samples/HttpSend/HttpSend.csproj b/samples/HttpSend/HttpSend.csproj
index a34d9bf..0012be1 100644
--- a/samples/HttpSend/HttpSend.csproj
+++ b/samples/HttpSend/HttpSend.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
diff --git a/test/CloudNative.CloudEvents.IntegrationTests/CloudNative.CloudEvents.IntegrationTests.csproj b/test/CloudNative.CloudEvents.IntegrationTests/CloudNative.CloudEvents.IntegrationTests.csproj
index 4eca15e..29348c3 100644
--- a/test/CloudNative.CloudEvents.IntegrationTests/CloudNative.CloudEvents.IntegrationTests.csproj
+++ b/test/CloudNative.CloudEvents.IntegrationTests/CloudNative.CloudEvents.IntegrationTests.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
-    <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/CloudNative.CloudEvents.UnitTests/CloudNative.CloudEvents.UnitTests.csproj b/test/CloudNative.CloudEvents.UnitTests/CloudNative.CloudEvents.UnitTests.csproj
index e5e3d0d..a06662d 100644
--- a/test/CloudNative.CloudEvents.UnitTests/CloudNative.CloudEvents.UnitTests.csproj
+++ b/test/CloudNative.CloudEvents.UnitTests/CloudNative.CloudEvents.UnitTests.csproj
@@ -2,8 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.1</TargetFramework>
-
-    <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/Directory.Build.props b/test/Directory.Build.props
index 9d422c6..05bdff8 100644
--- a/test/Directory.Build.props
+++ b/test/Directory.Build.props
@@ -2,5 +2,8 @@
   <PropertyGroup>
     <!-- Disable deterministic source paths for test projects -->
     <DeterministicSourcePaths>False</DeterministicSourcePaths>
+
+    <!-- Never pack any test projects -->
+    <IsPackable>False</IsPackable>
   </PropertyGroup>
 </Project>