diff --git a/src/libraries/System.Configuration.ConfigurationManager/src/CompatibilitySuppressions.xml b/src/libraries/System.Configuration.ConfigurationManager/src/CompatibilitySuppressions.xml
index 7a150462088b3..18cdc668022ea 100644
--- a/src/libraries/System.Configuration.ConfigurationManager/src/CompatibilitySuppressions.xml
+++ b/src/libraries/System.Configuration.ConfigurationManager/src/CompatibilitySuppressions.xml
@@ -1,5 +1,29 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.IInternalConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/netstandard2.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/net462/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.IInternalConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/netstandard2.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/netstandard2.0/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.IInternalConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/net6.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/net6.0/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.IInternalConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/net7.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/net7.0/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:System.Configuration.Internal.DelegatingConfigHost.get_HasLocalConfig</Target>
@@ -24,6 +48,30 @@
     <Left>lib/netstandard2.0/System.Configuration.ConfigurationManager.dll</Left>
     <Right>lib/net462/System.Configuration.ConfigurationManager.dll</Right>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.DelegatingConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/netstandard2.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/net462/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.DelegatingConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/netstandard2.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/netstandard2.0/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.DelegatingConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/net6.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/net6.0/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:System.Configuration.Internal.DelegatingConfigHost.GetRestrictedPermissions(System.Configuration.Internal.IInternalConfigRecord, out System.Security.PermissionSet, out bool)</Target>
+    <Left>lib/net7.0/System.Configuration.ConfigurationManager.dll</Left>
+    <Right>lib/net7.0/System.Configuration.ConfigurationManager.dll</Right>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:System.Configuration.SettingsAttributeDictionary.#ctor(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext)</Target>