diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs
index 1b970b2f376..c2e625f3d52 100644
--- a/clippy_lints/src/lib.rs
+++ b/clippy_lints/src/lib.rs
@@ -495,6 +495,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
         panic_unimplemented::UNIMPLEMENTED,
         shadow::SHADOW_REUSE,
         shadow::SHADOW_SAME,
+        slow_vector_initialization::UNSAFE_VECTOR_INITIALIZATION,
         strings::STRING_ADD,
         write::PRINT_STDOUT,
         write::USE_DEBUG,
@@ -727,7 +728,6 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
         returns::UNUSED_UNIT,
         serde_api::SERDE_API_MISUSE,
         slow_vector_initialization::SLOW_VECTOR_INITIALIZATION,
-        slow_vector_initialization::UNSAFE_VECTOR_INITIALIZATION,
         strings::STRING_LIT_AS_BYTES,
         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
@@ -974,7 +974,6 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
         ranges::ITERATOR_STEP_BY_ZERO,
         regex::INVALID_REGEX,
         serde_api::SERDE_API_MISUSE,
-        slow_vector_initialization::UNSAFE_VECTOR_INITIALIZATION,
         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
         swap::ALMOST_SWAPPED,
diff --git a/clippy_lints/src/slow_vector_initialization.rs b/clippy_lints/src/slow_vector_initialization.rs
index 7bf0fea4277..2964bb6fac7 100644
--- a/clippy_lints/src/slow_vector_initialization.rs
+++ b/clippy_lints/src/slow_vector_initialization.rs
@@ -55,7 +55,7 @@ declare_clippy_lint! {
 /// ```
 declare_clippy_lint! {
     pub UNSAFE_VECTOR_INITIALIZATION,
-    correctness,
+    restriction,
     "unsafe vector initialization"
 }