diff --git a/samples/monster_generated.h b/samples/monster_generated.h
index bdf2f5a23..4c31d5e75 100644
--- a/samples/monster_generated.h
+++ b/samples/monster_generated.h
@@ -140,9 +140,6 @@ MANUALLY_ALIGNED_STRUCT(4) Vec3 FLATBUFFERS_FINAL_CLASS {
   Vec3() {
     memset(this, 0, sizeof(Vec3));
   }
-  Vec3(const Vec3 &_o) {
-    memcpy(this, &_o, sizeof(Vec3));
-  }
   Vec3(float _x, float _y, float _z)
       : x_(flatbuffers::EndianScalar(_x)),
         y_(flatbuffers::EndianScalar(_y)),
diff --git a/tests/monster_test.bfbs b/tests/monster_test.bfbs
index 4cb46a7ca..843e308c5 100644
Binary files a/tests/monster_test.bfbs and b/tests/monster_test.bfbs differ
diff --git a/tests/namespace_test/namespace_test1_generated.h b/tests/namespace_test/namespace_test1_generated.h
index c3ac6d4c5..47e6a2628 100644
--- a/tests/namespace_test/namespace_test1_generated.h
+++ b/tests/namespace_test/namespace_test1_generated.h
@@ -54,9 +54,6 @@ MANUALLY_ALIGNED_STRUCT(4) StructInNestedNS FLATBUFFERS_FINAL_CLASS {
   StructInNestedNS() {
     memset(this, 0, sizeof(StructInNestedNS));
   }
-  StructInNestedNS(const StructInNestedNS &_o) {
-    memcpy(this, &_o, sizeof(StructInNestedNS));
-  }
   StructInNestedNS(int32_t _a, int32_t _b)
       : a_(flatbuffers::EndianScalar(_a)),
         b_(flatbuffers::EndianScalar(_b)) {
diff --git a/tests/union_vector/union_vector_generated.h b/tests/union_vector/union_vector_generated.h
index d2dd23fc6..3222fb0d2 100644
--- a/tests/union_vector/union_vector_generated.h
+++ b/tests/union_vector/union_vector_generated.h
@@ -141,9 +141,6 @@ MANUALLY_ALIGNED_STRUCT(4) Rapunzel FLATBUFFERS_FINAL_CLASS {
   Rapunzel() {
     memset(this, 0, sizeof(Rapunzel));
   }
-  Rapunzel(const Rapunzel &_o) {
-    memcpy(this, &_o, sizeof(Rapunzel));
-  }
   Rapunzel(int32_t _hair_length)
       : hair_length_(flatbuffers::EndianScalar(_hair_length)) {
   }
@@ -164,9 +161,6 @@ MANUALLY_ALIGNED_STRUCT(4) BookReader FLATBUFFERS_FINAL_CLASS {
   BookReader() {
     memset(this, 0, sizeof(BookReader));
   }
-  BookReader(const BookReader &_o) {
-    memcpy(this, &_o, sizeof(BookReader));
-  }
   BookReader(int32_t _books_read)
       : books_read_(flatbuffers::EndianScalar(_books_read)) {
   }