diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs
index 3dd317405dd..9400c501aa5 100644
--- a/compiler/rustc_expand/src/proc_macro_server.rs
+++ b/compiler/rustc_expand/src/proc_macro_server.rs
@@ -648,11 +648,11 @@ impl server::Span for Rustc<'_, '_> {
 
         Range { start: relative_start_pos.0 as usize, end: relative_end_pos.0 as usize }
     }
-    fn before(&mut self, span: Self::Span) -> Self::Span {
+    fn start(&mut self, span: Self::Span) -> Self::Span {
         span.shrink_to_lo()
     }
 
-    fn after(&mut self, span: Self::Span) -> Self::Span {
+    fn end(&mut self, span: Self::Span) -> Self::Span {
         span.shrink_to_hi()
     }
 
diff --git a/library/proc_macro/src/bridge/mod.rs b/library/proc_macro/src/bridge/mod.rs
index 5c8e35590d4..c7c7e974ae9 100644
--- a/library/proc_macro/src/bridge/mod.rs
+++ b/library/proc_macro/src/bridge/mod.rs
@@ -95,8 +95,8 @@ macro_rules! with_api {
                 fn parent($self: $S::Span) -> Option<$S::Span>;
                 fn source($self: $S::Span) -> $S::Span;
                 fn byte_range($self: $S::Span) -> Range<usize>;
-                fn before($self: $S::Span) -> $S::Span;
-                fn after($self: $S::Span) -> $S::Span;
+                fn start($self: $S::Span) -> $S::Span;
+                fn end($self: $S::Span) -> $S::Span;
                 fn join($self: $S::Span, other: $S::Span) -> Option<$S::Span>;
                 fn subspan($self: $S::Span, start: Bound<usize>, end: Bound<usize>) -> Option<$S::Span>;
                 fn resolved_at($self: $S::Span, at: $S::Span) -> $S::Span;
diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs
index d23becfed9f..89b5aef1bcd 100644
--- a/library/proc_macro/src/lib.rs
+++ b/library/proc_macro/src/lib.rs
@@ -495,14 +495,14 @@ impl Span {
 
     /// Creates an empty span pointing to directly before this span.
     #[unstable(feature = "proc_macro_span_shrink", issue = "87552")]
-    pub fn before(&self) -> Span {
-        Span(self.0.before())
+    pub fn start(&self) -> Span {
+        Span(self.0.start())
     }
 
     /// Creates an empty span pointing to directly after this span.
     #[unstable(feature = "proc_macro_span_shrink", issue = "87552")]
-    pub fn after(&self) -> Span {
-        Span(self.0.after())
+    pub fn end(&self) -> Span {
+        Span(self.0.end())
     }
 
     /// Creates a new span encompassing `self` and `other`.
diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server.rs
index 999e78aa56b..410f07f9b84 100644
--- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server.rs
+++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server.rs
@@ -322,11 +322,11 @@ impl server::Span for RustAnalyzer {
         tt::TokenId::unspecified()
     }
 
-    fn after(&mut self, _self_: Self::Span) -> Self::Span {
+    fn end(&mut self, _self_: Self::Span) -> Self::Span {
         tt::TokenId::unspecified()
     }
 
-    fn before(&mut self, _self_: Self::Span) -> Self::Span {
+    fn start(&mut self, _self_: Self::Span) -> Self::Span {
         tt::TokenId::unspecified()
     }
 }