diff --git a/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.cpp b/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.cpp
--- a/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.cpp
+++ b/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.cpp
@@ -147,6 +147,7 @@
     return compoundStmt(
                forEachDescendant(
                    declStmt(
+                       unless(has(decompositionDecl())),
                        has(varDecl(hasLocalStorage(),
                                    hasType(qualType(
                                        hasCanonicalType(allOf(
diff --git a/clang-tools-extra/test/clang-tidy/checkers/performance-unnecessary-copy-initialization.cpp b/clang-tools-extra/test/clang-tidy/checkers/performance-unnecessary-copy-initialization.cpp
--- a/clang-tools-extra/test/clang-tidy/checkers/performance-unnecessary-copy-initialization.cpp
+++ b/clang-tools-extra/test/clang-tidy/checkers/performance-unnecessary-copy-initialization.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s performance-unnecessary-copy-initialization %t
+// RUN: %check_clang_tidy -std=c++17 %s performance-unnecessary-copy-initialization %t
 
 template <typename T>
 struct Iterator {
@@ -637,3 +637,18 @@
     }
   };
 }
+
+void negativeStructuredBinding() {
+  // Structured bindings are not yet supported but can trigger false positives
+  // since the DecompositionDecl itself is unused and the check doesn't traverse
+  // VarDecls of the BindingDecls.
+  struct Pair {
+    ExpensiveToCopyType first;
+    ExpensiveToCopyType second;
+  };
+
+  Pair P;
+  const auto [C, D] = P;
+  C.constMethod();
+  D.constMethod();
+}