diff --git a/src/System.IO.Compression/pkg/System.IO.Compression.builds b/src/System.IO.Compression/pkg/System.IO.Compression.builds
new file mode 100644
index 000000000000..58fc4e4030fd
--- /dev/null
+++ b/src/System.IO.Compression/pkg/System.IO.Compression.builds
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/System.IO.Compression/pkg/System.IO.Compression.pkgproj b/src/System.IO.Compression/pkg/System.IO.Compression.pkgproj
new file mode 100644
index 000000000000..383cec15b51b
--- /dev/null
+++ b/src/System.IO.Compression/pkg/System.IO.Compression.pkgproj
@@ -0,0 +1,35 @@
+
+
+
+
+
+ netcoreapp2.0;net463;$(AllXamarinFrameworks)
+
+
+
+ true
+
+
+
+
+
+ true
+
+
+ true
+
+
+ true
+
+
+ true
+
+
+ true
+
+
+ true
+
+
+
+
\ No newline at end of file
diff --git a/src/System.IO.Compression/pkg/ValidationSuppression.txt b/src/System.IO.Compression/pkg/ValidationSuppression.txt
new file mode 100644
index 000000000000..bee9ffe37e44
--- /dev/null
+++ b/src/System.IO.Compression/pkg/ValidationSuppression.txt
@@ -0,0 +1 @@
+PermitHigherCompatibleImplementationVersion
\ No newline at end of file
diff --git a/src/System.Net.Http/pkg/System.Net.Http.builds b/src/System.Net.Http/pkg/System.Net.Http.builds
new file mode 100644
index 000000000000..91428fe6fe92
--- /dev/null
+++ b/src/System.Net.Http/pkg/System.Net.Http.builds
@@ -0,0 +1,8 @@
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+
\ No newline at end of file
diff --git a/src/System.Net.Http/pkg/System.Net.Http.pkgproj b/src/System.Net.Http/pkg/System.Net.Http.pkgproj
new file mode 100644
index 000000000000..03553dc19896
--- /dev/null
+++ b/src/System.Net.Http/pkg/System.Net.Http.pkgproj
@@ -0,0 +1,46 @@
+
+
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+
+
+ netcoreapp2.0;uap10.1;$(AllXamarinFrameworks)
+
+
+ net46
+ net46
+
+
+
+
+
+ true
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+ true
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+
+ true
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+
+
+ true
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+
+ true
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+ true
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+ true
+
+
+
+ .NETFramework,Version=v4.6;.NETFramework,Version=v4.6.1;.NETFramework,Version=v4.6.2
+
+
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+
\ No newline at end of file