diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs
index 8860b11f2fdd..caa1702fb8cd 100644
--- a/clippy_lints/src/lib.rs
+++ b/clippy_lints/src/lib.rs
@@ -1170,6 +1170,7 @@ pub fn register_plugins(store: &mut lint::LintStore, sess: &Session, conf: &Conf
         LintId::of(&matches::SINGLE_MATCH),
         LintId::of(&mem_discriminant::MEM_DISCRIMINANT_NON_ENUM),
         LintId::of(&mem_replace::MEM_REPLACE_OPTION_WITH_NONE),
+        LintId::of(&mem_replace::MEM_REPLACE_WITH_DEFAULT),
         LintId::of(&mem_replace::MEM_REPLACE_WITH_UNINIT),
         LintId::of(&methods::CHARS_LAST_CMP),
         LintId::of(&methods::CHARS_NEXT_CMP),
@@ -1357,6 +1358,7 @@ pub fn register_plugins(store: &mut lint::LintStore, sess: &Session, conf: &Conf
         LintId::of(&matches::MATCH_WILD_ERR_ARM),
         LintId::of(&matches::SINGLE_MATCH),
         LintId::of(&mem_replace::MEM_REPLACE_OPTION_WITH_NONE),
+        LintId::of(&mem_replace::MEM_REPLACE_WITH_DEFAULT),
         LintId::of(&methods::CHARS_LAST_CMP),
         LintId::of(&methods::INTO_ITER_ON_REF),
         LintId::of(&methods::ITER_CLONED_COLLECT),
@@ -1582,7 +1584,6 @@ pub fn register_plugins(store: &mut lint::LintStore, sess: &Session, conf: &Conf
     store.register_group(true, "clippy::nursery", Some("clippy_nursery"), vec![
         LintId::of(&attrs::EMPTY_LINE_AFTER_OUTER_ATTR),
         LintId::of(&fallible_impl_from::FALLIBLE_IMPL_FROM),
-        LintId::of(&mem_replace::MEM_REPLACE_WITH_DEFAULT),
         LintId::of(&missing_const_for_fn::MISSING_CONST_FOR_FN),
         LintId::of(&mul_add::MANUAL_MUL_ADD),
         LintId::of(&mutex_atomic::MUTEX_INTEGER),
diff --git a/clippy_lints/src/mem_replace.rs b/clippy_lints/src/mem_replace.rs
index 0af16901244b..256826e1eb85 100644
--- a/clippy_lints/src/mem_replace.rs
+++ b/clippy_lints/src/mem_replace.rs
@@ -87,7 +87,7 @@ declare_clippy_lint! {
     /// let taken = std::mem::take(&mut text);
     /// ```
     pub MEM_REPLACE_WITH_DEFAULT,
-    nursery,
+    style,
     "replacing a value of type `T` with `T::default()` instead of using `std::mem::take`"
 }
 
diff --git a/src/lintlist/mod.rs b/src/lintlist/mod.rs
index a9b2f34c7aa6..0e00c2571404 100644
--- a/src/lintlist/mod.rs
+++ b/src/lintlist/mod.rs
@@ -1094,7 +1094,7 @@ pub const ALL_LINTS: [Lint; 341] = [
     },
     Lint {
         name: "mem_replace_with_default",
-        group: "nursery",
+        group: "style",
         desc: "replacing a value of type `T` with `T::default()` instead of using `std::mem::take`",
         deprecation: None,
         module: "mem_replace",