diff --git a/internal/lsp/cache/snapshot.go b/internal/lsp/cache/snapshot.go
index d2fa8477b9a..0804ad929e1 100644
--- a/internal/lsp/cache/snapshot.go
+++ b/internal/lsp/cache/snapshot.go
@@ -1342,18 +1342,18 @@ func (s *snapshot) clone(ctx, bgCtx context.Context, changes map[span.URI]*fileC
 		builtin:           s.builtin,
 		initializeOnce:    s.initializeOnce,
 		initializedErr:    s.initializedErr,
-		ids:               make(map[span.URI][]packageID),
-		importedBy:        make(map[packageID][]packageID),
-		metadata:          make(map[packageID]*metadata),
-		packages:          make(map[packageKey]*packageHandle),
-		actions:           make(map[actionKey]*actionHandle),
-		files:             make(map[span.URI]source.VersionedFileHandle),
-		goFiles:           make(map[parseKey]*parseGoHandle),
-		workspacePackages: make(map[packageID]packagePath),
-		unloadableFiles:   make(map[span.URI]struct{}),
-		parseModHandles:   make(map[span.URI]*parseModHandle),
-		modTidyHandles:    make(map[span.URI]*modTidyHandle),
-		modWhyHandles:     make(map[span.URI]*modWhyHandle),
+		ids:               make(map[span.URI][]packageID, len(s.ids)),
+		importedBy:        make(map[packageID][]packageID, len(s.importedBy)),
+		metadata:          make(map[packageID]*metadata, len(s.metadata)),
+		packages:          make(map[packageKey]*packageHandle, len(s.packages)),
+		actions:           make(map[actionKey]*actionHandle, len(s.actions)),
+		files:             make(map[span.URI]source.VersionedFileHandle, len(s.files)),
+		goFiles:           make(map[parseKey]*parseGoHandle, len(s.goFiles)),
+		workspacePackages: make(map[packageID]packagePath, len(s.workspacePackages)),
+		unloadableFiles:   make(map[span.URI]struct{}, len(s.unloadableFiles)),
+		parseModHandles:   make(map[span.URI]*parseModHandle, len(s.parseModHandles)),
+		modTidyHandles:    make(map[span.URI]*modTidyHandle, len(s.modTidyHandles)),
+		modWhyHandles:     make(map[span.URI]*modWhyHandle, len(s.modWhyHandles)),
 		workspace:         newWorkspace,
 	}