diff --git a/datafusion/proto/proto/datafusion.proto b/datafusion/proto/proto/datafusion.proto
index 5bffdc3af774..c2653fa96f82 100644
--- a/datafusion/proto/proto/datafusion.proto
+++ b/datafusion/proto/proto/datafusion.proto
@@ -389,6 +389,7 @@ message LogicalExprNode {
     NegativeNode negative = 13;
     InListNode in_list = 14;
     Wildcard wildcard = 15;
+    // was  ScalarFunctionNode scalar_function = 16;
     TryCastNode try_cast = 17;
 
     // window expressions
@@ -1310,12 +1311,13 @@ message PhysicalExprNode {
     PhysicalSortExprNode sort = 10;
     PhysicalNegativeNode negative = 11;
     PhysicalInListNode in_list = 12;
+    //  was PhysicalScalarFunctionNode scalar_function = 13;
     PhysicalTryCastNode try_cast = 14;
-
     // window expressions
     PhysicalWindowExprNode window_expr = 15;
 
     PhysicalScalarUdfNode scalar_udf = 16;
+    // was PhysicalDateTimeIntervalExprNode date_time_interval_expr = 17;
 
     PhysicalLikeExprNode like_expr = 18;
   }
diff --git a/datafusion/proto/src/generated/prost.rs b/datafusion/proto/src/generated/prost.rs
index d0210eb7cfd3..a7aa73d1b621 100644
--- a/datafusion/proto/src/generated/prost.rs
+++ b/datafusion/proto/src/generated/prost.rs
@@ -616,6 +616,7 @@ pub mod logical_expr_node {
         InList(::prost::alloc::boxed::Box<super::InListNode>),
         #[prost(message, tag = "15")]
         Wildcard(super::Wildcard),
+        /// was  ScalarFunctionNode scalar_function = 16;
         #[prost(message, tag = "17")]
         TryCast(::prost::alloc::boxed::Box<super::TryCastNode>),
         /// window expressions
@@ -2087,11 +2088,13 @@ pub mod physical_expr_node {
         Negative(::prost::alloc::boxed::Box<super::PhysicalNegativeNode>),
         #[prost(message, tag = "12")]
         InList(::prost::alloc::boxed::Box<super::PhysicalInListNode>),
+        ///   was PhysicalScalarFunctionNode scalar_function = 13;
         #[prost(message, tag = "14")]
         TryCast(::prost::alloc::boxed::Box<super::PhysicalTryCastNode>),
         /// window expressions
         #[prost(message, tag = "15")]
         WindowExpr(super::PhysicalWindowExprNode),
+        /// was PhysicalDateTimeIntervalExprNode date_time_interval_expr = 17;
         #[prost(message, tag = "16")]
         ScalarUdf(super::PhysicalScalarUdfNode),
         #[prost(message, tag = "18")]