diff --git a/libcxx/test/containers/sequences/vector/db_back.pass.cpp b/libcxx/test/containers/sequences/vector/db_back.pass.cpp
index 40b2b5623fe9..c6115fa4cc47 100644
--- a/libcxx/test/containers/sequences/vector/db_back.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_back.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_cback.pass.cpp b/libcxx/test/containers/sequences/vector/db_cback.pass.cpp
index 709535cf053d..193f5ec7932f 100644
--- a/libcxx/test/containers/sequences/vector/db_cback.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_cback.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_cfront.pass.cpp b/libcxx/test/containers/sequences/vector/db_cfront.pass.cpp
index b924010e4567..162760baa352 100644
--- a/libcxx/test/containers/sequences/vector/db_cfront.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_cfront.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_front.pass.cpp b/libcxx/test/containers/sequences/vector/db_front.pass.cpp
index 320c9de1ecb4..04f9286279bf 100644
--- a/libcxx/test/containers/sequences/vector/db_front.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_front.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_1.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_1.pass.cpp
index 6450e87616c7..57c13d42eaef 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_1.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_1.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_2.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_2.pass.cpp
index a36209b1645a..3939517ebbae 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_2.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_2.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_3.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_3.pass.cpp
index b57ccf02277d..7e14f3571603 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_3.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_3.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_4.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_4.pass.cpp
index 68d0a5d3e9f1..81c6187b79ae 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_4.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_4.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_5.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_5.pass.cpp
index 8c0614e502f3..85b07cdd2ed7 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_5.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_5.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_6.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_6.pass.cpp
index c85a2514f9ce..25e19c61dadc 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_6.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_6.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_7.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_7.pass.cpp
index 7d7c4bfdd529..5c2d15897be3 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_7.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_7.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>
diff --git a/libcxx/test/containers/sequences/vector/db_iterators_8.pass.cpp b/libcxx/test/containers/sequences/vector/db_iterators_8.pass.cpp
index e6bb3b7ddf09..79e7ccc4c47d 100644
--- a/libcxx/test/containers/sequences/vector/db_iterators_8.pass.cpp
+++ b/libcxx/test/containers/sequences/vector/db_iterators_8.pass.cpp
@@ -13,8 +13,6 @@
 
 #if _LIBCPP_DEBUG2 >= 1
 
-struct X {};
-
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
 
 #include <vector>