diff --git a/clippy_lints/src/attrs.rs b/clippy_lints/src/attrs.rs
index d68d0d8ccf5..ef01364b7d9 100644
--- a/clippy_lints/src/attrs.rs
+++ b/clippy_lints/src/attrs.rs
@@ -72,7 +72,7 @@ declare_clippy_lint! {
     /// **What it does:** Checks for `extern crate` and `use` items annotated with
     /// lint attributes.
     ///
-    /// This lint whitelists `#[allow(unused_imports)]`, `#[allow(deprecated)]` and
+    /// This lint permits `#[allow(unused_imports)]`, `#[allow(deprecated)]` and
     /// `#[allow(unreachable_pub)]` on `use` items and `#[allow(unused_imports)]` on
     /// `extern crate` items with a `#[macro_use]` attribute.
     ///
@@ -319,7 +319,7 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
                         if let Some(ident) = attr.ident() {
                             match &*ident.as_str() {
                                 "allow" | "warn" | "deny" | "forbid" => {
-                                    // whitelist `unused_imports`, `deprecated` and `unreachable_pub` for `use` items
+                                    // permit `unused_imports`, `deprecated` and `unreachable_pub` for `use` items
                                     // and `unused_imports` for `extern crate` items with `macro_use`
                                     for lint in lint_list {
                                         match item.kind {
diff --git a/clippy_lints/src/eq_op.rs b/clippy_lints/src/eq_op.rs
index 7839908fe4c..01eff28cb19 100644
--- a/clippy_lints/src/eq_op.rs
+++ b/clippy_lints/src/eq_op.rs
@@ -16,7 +16,7 @@ declare_clippy_lint! {
     /// **Known problems:** False negatives: We had some false positives regarding
     /// calls (notably [racer](https://github.com/phildawes/racer) had one instance
     /// of `x.pop() && x.pop()`), so we removed matching any function or method
-    /// calls. We may introduce a whitelist of known pure functions in the future.
+    /// calls. We may introduce a list of known pure functions in the future.
     ///
     /// **Example:**
     /// ```rust
diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs
index f9db6ca0aa8..1d756477be8 100644
--- a/clippy_lints/src/needless_pass_by_value.rs
+++ b/clippy_lints/src/needless_pass_by_value.rs
@@ -99,7 +99,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
 
         // Allow `Borrow` or functions to be taken by value
         let borrow_trait = need!(get_trait_def_id(cx, &paths::BORROW_TRAIT));
-        let whitelisted_traits = [
+        let allowed_traits = [
             need!(cx.tcx.lang_items().fn_trait()),
             need!(cx.tcx.lang_items().fn_once_trait()),
             need!(cx.tcx.lang_items().fn_mut_trait()),
@@ -183,7 +183,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
                 if !is_self(arg);
                 if !ty.is_mutable_ptr();
                 if !is_copy(cx, ty);
-                if !whitelisted_traits.iter().any(|&t| implements_trait(cx, ty, t, &[]));
+                if !allowed_traits.iter().any(|&t| implements_trait(cx, ty, t, &[]));
                 if !implements_borrow_trait;
                 if !all_borrowable_trait;
 
diff --git a/clippy_lints/src/non_expressive_names.rs b/clippy_lints/src/non_expressive_names.rs
index 5f14fe97afe..7128fee9bcf 100644
--- a/clippy_lints/src/non_expressive_names.rs
+++ b/clippy_lints/src/non_expressive_names.rs
@@ -78,7 +78,7 @@ struct ExistingName {
     interned: SymbolStr,
     span: Span,
     len: usize,
-    whitelist: &'static [&'static str],
+    exemptions: &'static [&'static str],
 }
 
 struct SimilarNamesLocalVisitor<'a, 'tcx> {
@@ -117,7 +117,7 @@ impl<'a, 'tcx> SimilarNamesLocalVisitor<'a, 'tcx> {
 // this list contains lists of names that are allowed to be similar
 // the assumption is that no name is ever contained in multiple lists.
 #[rustfmt::skip]
-const WHITELIST: &[&[&str]] = &[
+const ALLOWED_TO_BE_SIMILAR: &[&[&str]] = &[
     &["parsed", "parser"],
     &["lhs", "rhs"],
     &["tx", "rx"],
@@ -156,17 +156,17 @@ impl<'a, 'tcx, 'b> Visitor<'tcx> for SimilarNamesNameVisitor<'a, 'tcx, 'b> {
 }
 
 #[must_use]
-fn get_whitelist(interned_name: &str) -> Option<&'static [&'static str]> {
-    for &allow in WHITELIST {
-        if whitelisted(interned_name, allow) {
-            return Some(allow);
+fn get_exemptions(interned_name: &str) -> Option<&'static [&'static str]> {
+    for &list in ALLOWED_TO_BE_SIMILAR {
+        if allowed_to_be_similar(interned_name, list) {
+            return Some(list);
         }
     }
     None
 }
 
 #[must_use]
-fn whitelisted(interned_name: &str, list: &[&str]) -> bool {
+fn allowed_to_be_similar(interned_name: &str, list: &[&str]) -> bool {
     list.iter()
         .any(|&name| interned_name.starts_with(name) || interned_name.ends_with(name))
 }
@@ -212,7 +212,7 @@ impl<'a, 'tcx, 'b> SimilarNamesNameVisitor<'a, 'tcx, 'b> {
             return;
         }
         for existing_name in &self.0.names {
-            if whitelisted(&interned_name, existing_name.whitelist) {
+            if allowed_to_be_similar(&interned_name, existing_name.exemptions) {
                 continue;
             }
             let mut split_at = None;
@@ -301,7 +301,7 @@ impl<'a, 'tcx, 'b> SimilarNamesNameVisitor<'a, 'tcx, 'b> {
             return;
         }
         self.0.names.push(ExistingName {
-            whitelist: get_whitelist(&interned_name).unwrap_or(&[]),
+            exemptions: get_exemptions(&interned_name).unwrap_or(&[]),
             interned: interned_name,
             span: ident.span,
             len: count,
diff --git a/clippy_lints/src/precedence.rs b/clippy_lints/src/precedence.rs
index 04be96aa64c..4797771e7bd 100644
--- a/clippy_lints/src/precedence.rs
+++ b/clippy_lints/src/precedence.rs
@@ -5,7 +5,7 @@ use rustc_lint::{EarlyContext, EarlyLintPass};
 use rustc_session::{declare_lint_pass, declare_tool_lint};
 use rustc_span::source_map::Spanned;
 
-const ODD_FUNCTIONS_WHITELIST: [&str; 14] = [
+const ALLOWED_ODD_FUNCTIONS: [&str; 14] = [
     "asin",
     "asinh",
     "atan",
@@ -109,7 +109,7 @@ impl EarlyLintPass for Precedence {
                     if let ExprKind::Lit(ref lit) = slf.kind {
                         match lit.kind {
                             LitKind::Int(..) | LitKind::Float(..) => {
-                                if ODD_FUNCTIONS_WHITELIST
+                                if ALLOWED_ODD_FUNCTIONS
                                     .iter()
                                     .any(|odd_function| **odd_function == *path_segment_str)
                                 {
diff --git a/clippy_lints/src/types.rs b/clippy_lints/src/types.rs
index 71207caecf5..bca388ecdcc 100644
--- a/clippy_lints/src/types.rs
+++ b/clippy_lints/src/types.rs
@@ -1246,7 +1246,7 @@ fn check_loss_of_sign(cx: &LateContext<'_>, expr: &Expr<'_>, op: &Expr<'_>, cast
     // don't lint for the result of methods that always return non-negative values
     if let ExprKind::MethodCall(ref path, _, _, _) = op.kind {
         let mut method_name = path.ident.name.as_str();
-        let whitelisted_methods = ["abs", "checked_abs", "rem_euclid", "checked_rem_euclid"];
+        let allowed_methods = ["abs", "checked_abs", "rem_euclid", "checked_rem_euclid"];
 
         if_chain! {
             if method_name == "unwrap";
@@ -1257,7 +1257,7 @@ fn check_loss_of_sign(cx: &LateContext<'_>, expr: &Expr<'_>, op: &Expr<'_>, cast
             }
         }
 
-        if whitelisted_methods.iter().any(|&name| method_name == name) {
+        if allowed_methods.iter().any(|&name| method_name == name) {
             return;
         }
     }
diff --git a/tests/ui/crashes/whitelist/clippy.toml b/tests/ui/crashes/third-party/clippy.toml
similarity index 100%
rename from tests/ui/crashes/whitelist/clippy.toml
rename to tests/ui/crashes/third-party/clippy.toml
diff --git a/tests/ui/crashes/whitelist/conf_whitelisted.rs b/tests/ui/crashes/third-party/conf_allowlisted.rs
similarity index 100%
rename from tests/ui/crashes/whitelist/conf_whitelisted.rs
rename to tests/ui/crashes/third-party/conf_allowlisted.rs
diff --git a/tests/ui/missing_const_for_fn/could_be_const.stderr b/tests/ui/missing_const_for_fn/could_be_const.stderr
index 8dde56cd79f..74d32b8a1aa 100644
--- a/tests/ui/missing_const_for_fn/could_be_const.stderr
+++ b/tests/ui/missing_const_for_fn/could_be_const.stderr
@@ -57,14 +57,6 @@ LL | |     t
 LL | | }
    | |_^
 
-error: this could be a `const fn`
-  --> $DIR/could_be_const.rs:48:1
-   |
-LL | / fn sub(x: u32) -> usize {
-LL | |     unsafe { transmute(&x) }
-LL | | }
-   | |_^
-
 error: this could be a `const fn`
   --> $DIR/could_be_const.rs:67:9
    |
@@ -73,5 +65,5 @@ LL | |             B
 LL | |         }
    | |_________^
 
-error: aborting due to 9 previous errors
+error: aborting due to 8 previous errors
 
diff --git a/tests/ui/needless_pass_by_value.rs b/tests/ui/needless_pass_by_value.rs
index e93a7fe2985..7a9ba55590d 100644
--- a/tests/ui/needless_pass_by_value.rs
+++ b/tests/ui/needless_pass_by_value.rs
@@ -116,7 +116,7 @@ extern "C" fn ext(x: MaybeUninit<usize>) -> usize {
     unsafe { x.assume_init() }
 }
 
-// whitelist RangeArgument
+// exempt RangeArgument
 fn range<T: ::std::ops::RangeBounds<usize>>(range: T) {
     let _ = range.start_bound();
 }
diff --git a/tests/ui/neg_cmp_op_on_partial_ord.rs b/tests/ui/neg_cmp_op_on_partial_ord.rs
index 0cee0a28fc7..2d392c593b3 100644
--- a/tests/ui/neg_cmp_op_on_partial_ord.rs
+++ b/tests/ui/neg_cmp_op_on_partial_ord.rs
@@ -57,6 +57,6 @@ fn main() {
     // The macro always negates the result of the given comparison in its
     // internal check which automatically triggered the lint. As it's an
     // external macro there was no chance to do anything about it which led
-    // to a whitelisting of all external macros.
+    // to an exempting of all external macros.
     assert!(a_value < another_value);
 }