diff --git a/lib/src/revset.pest b/lib/src/revset.pest
index ae84bd6cfb..7fd6aa09e1 100644
--- a/lib/src/revset.pest
+++ b/lib/src/revset.pest
@@ -105,9 +105,8 @@ expression = {
   ~ (whitespace* ~ infix_op ~ whitespace* ~ (negate_op ~ whitespace*)* ~ range_expression)*
 }
 
-program = _{ SOI ~ whitespace* ~ expression ~ whitespace* ~ EOI }
 program_modifier = { identifier ~ pattern_kind_op ~ !":" }
-program_with_modifier = _{
+program = _{
   SOI ~ whitespace* ~ (program_modifier ~ whitespace*)? ~ expression ~ whitespace* ~ EOI
 }
 
diff --git a/lib/src/revset_parser.rs b/lib/src/revset_parser.rs
index 752505397c..ad2f7413a4 100644
--- a/lib/src/revset_parser.rs
+++ b/lib/src/revset_parser.rs
@@ -105,9 +105,8 @@ impl Rule {
             Rule::neighbors_expression => None,
             Rule::range_expression => None,
             Rule::expression => None,
-            Rule::program => None,
             Rule::program_modifier => None,
-            Rule::program_with_modifier => None,
+            Rule::program => None,
             Rule::function_alias_declaration => None,
             Rule::alias_declaration => None,
         }
@@ -421,7 +420,7 @@ pub struct ModifierNode<'i> {
 }
 
 pub(super) fn parse_program(revset_str: &str) -> Result<ExpressionNode, RevsetParseError> {
-    let mut pairs = RevsetParser::parse(Rule::program_with_modifier, revset_str)?;
+    let mut pairs = RevsetParser::parse(Rule::program, revset_str)?;
     let first = pairs.next().unwrap();
     match first.as_rule() {
         Rule::expression => parse_expression_node(first.into_inner()),