diff --git a/clippy_lints/src/format_push_string.rs b/clippy_lints/src/format_push_string.rs
index de19c5ec20e..2d01c71d438 100644
--- a/clippy_lints/src/format_push_string.rs
+++ b/clippy_lints/src/format_push_string.rs
@@ -29,7 +29,7 @@
     /// ```
     #[clippy::version = "1.62.0"]
     pub FORMAT_PUSH_STRING,
-    perf,
+    pedantic,
     "`format!(..)` appended to existing `String`"
 }
 declare_lint_pass!(FormatPushString => [FORMAT_PUSH_STRING]);
diff --git a/clippy_lints/src/lib.register_all.rs b/clippy_lints/src/lib.register_all.rs
index da26a3f0130..9afc714b11c 100644
--- a/clippy_lints/src/lib.register_all.rs
+++ b/clippy_lints/src/lib.register_all.rs
@@ -71,7 +71,6 @@
     LintId::of(format_args::TO_STRING_IN_FORMAT_ARGS),
     LintId::of(format_impl::PRINT_IN_FORMAT_IMPL),
     LintId::of(format_impl::RECURSIVE_FORMAT_IMPL),
-    LintId::of(format_push_string::FORMAT_PUSH_STRING),
     LintId::of(formatting::POSSIBLE_MISSING_COMMA),
     LintId::of(formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING),
     LintId::of(formatting::SUSPICIOUS_ELSE_FORMATTING),
diff --git a/clippy_lints/src/lib.register_pedantic.rs b/clippy_lints/src/lib.register_pedantic.rs
index 4d4b89687d0..0b7fff56a5d 100644
--- a/clippy_lints/src/lib.register_pedantic.rs
+++ b/clippy_lints/src/lib.register_pedantic.rs
@@ -31,6 +31,7 @@
     LintId::of(eta_reduction::REDUNDANT_CLOSURE_FOR_METHOD_CALLS),
     LintId::of(excessive_bools::FN_PARAMS_EXCESSIVE_BOOLS),
     LintId::of(excessive_bools::STRUCT_EXCESSIVE_BOOLS),
+    LintId::of(format_push_string::FORMAT_PUSH_STRING),
     LintId::of(functions::MUST_USE_CANDIDATE),
     LintId::of(functions::TOO_MANY_LINES),
     LintId::of(if_not_else::IF_NOT_ELSE),
diff --git a/clippy_lints/src/lib.register_perf.rs b/clippy_lints/src/lib.register_perf.rs
index 6bf519c24e8..e1b90acb93c 100644
--- a/clippy_lints/src/lib.register_perf.rs
+++ b/clippy_lints/src/lib.register_perf.rs
@@ -7,7 +7,6 @@
     LintId::of(escape::BOXED_LOCAL),
     LintId::of(format_args::FORMAT_IN_FORMAT_ARGS),
     LintId::of(format_args::TO_STRING_IN_FORMAT_ARGS),
-    LintId::of(format_push_string::FORMAT_PUSH_STRING),
     LintId::of(large_const_arrays::LARGE_CONST_ARRAYS),
     LintId::of(large_enum_variant::LARGE_ENUM_VARIANT),
     LintId::of(loops::MANUAL_MEMCPY),