1 files changed, 1 insertions, 1 deletions
diff --git a/thirdparty/icu4c/common/unicode/ucharstrie.h b/thirdparty/icu4c/common/unicode/ucharstrie.h
index b6f9e3e075..064244a74c 100644
--- a/thirdparty/icu4c/common/unicode/ucharstrie.h
+++ b/thirdparty/icu4c/common/unicode/ucharstrie.h
@@ -409,7 +409,7 @@ private:
               pos_(uchars_), remainingMatchLength_(-1) {}
 
     // No assignment operator.
-    UCharsTrie &operator=(const UCharsTrie &other);
+    UCharsTrie &operator=(const UCharsTrie &other) = delete;
 
     inline void stop() {
         pos_=NULL;