diff --git a/src/metric-engine/src/error.rs b/src/metric-engine/src/error.rs
index 526affec3b1b..7827a07fd205 100644
--- a/src/metric-engine/src/error.rs
+++ b/src/metric-engine/src/error.rs
@@ -181,13 +181,6 @@ pub enum Error {
         location: Location,
     },
 
-    #[snafu(display("Column {} not found after alter", column_name))]
-    ColumnNotFoundAfterAlter {
-        column_name: String,
-        #[snafu(implicit)]
-        location: Location,
-    },
-
     #[snafu(display("Invalid region metadata"))]
     InvalidMetadata {
         source: store_api::metadata::MetadataError,
@@ -258,8 +251,7 @@ impl ErrorExt for Error {
             | SerializeColumnMetadata { .. }
             | DecodeColumnValue { .. }
             | ParseRegionId { .. }
-            | InvalidMetadata { .. }
-            | ColumnNotFoundAfterAlter { .. } => StatusCode::Unexpected,
+            | InvalidMetadata { .. } => StatusCode::Unexpected,
 
             PhysicalRegionNotFound { .. } | LogicalRegionNotFound { .. } => {
                 StatusCode::RegionNotFound