Use deconstruction.

src/Features/Core/Portable/RemoveUnusedParametersAndValues/AbstractRemoveUnusedValuesCodeFixProvider.cs

@@ -528,9 +528,9 @@ protected sealed override async Task FixAllAsync(Document document, ImmutableArr
                     }
                 }
 
-                foreach (var nodeToAdd in nodesToAdd)
+                foreach (var (declarationStatement, node) in nodesToAdd)
                 {
-                    InsertLocalDeclarationStatement(nodeToAdd.declarationStatement, nodeToAdd.node);
+                    InsertLocalDeclarationStatement(declarationStatement, node);
                 }
 
                 if (hasAnyUnusedLocalAssignment)

src/VisualStudio/Core/Def/Implementation/ProjectSystem/MiscellaneousFilesWorkspace.cs

@@ -415,11 +415,11 @@ public override bool CanApplyChange(ApplyChangesKind feature)
 
         protected override void ApplyDocumentTextChanged(DocumentId documentId, SourceText newText)
         {
-            foreach (var projectIdAndSourceTextContainer in _monikersToProjectIdAndContainer.Values)
+            foreach (var (projectId, textContainer) in _monikersToProjectIdAndContainer.Values)
             {
-                if (projectIdAndSourceTextContainer.projectId == documentId.ProjectId)
+                if (projectId == documentId.ProjectId)
                 {
-                    TextEditApplication.UpdateText(newText, projectIdAndSourceTextContainer.textContainer.GetTextBuffer(), EditOptions.DefaultMinimalChange);
+                    TextEditApplication.UpdateText(newText, textContainer.GetTextBuffer(), EditOptions.DefaultMinimalChange);
                     break;
                 }
             }

src/Workspaces/Core/Portable/Execution/AbstractReferenceSerializationService.cs

@@ -484,12 +484,12 @@ private void WriteTo(Metadata metadata, ObjectWriter writer, CancellationToken c
             writer.WriteInt32((int)MetadataImageKind.Assembly);
             writer.WriteInt32(pooled.Object.Count);
 
-            foreach (var tuple in pooled.Object)
+            foreach (var (name, offset, size) in pooled.Object)
             {
                 writer.WriteInt32((int)MetadataImageKind.Module);
-                writer.WriteString(tuple.name);
-                writer.WriteInt64(tuple.offset);
-                writer.WriteInt64(tuple.size);
+                writer.WriteString(name);
+                writer.WriteInt64(offset);
+                writer.WriteInt64(size);
             }
 
             return true;