diff --git a/pkg/sql/sqlinstance/sqlinstance.go b/pkg/sql/sqlinstance/sqlinstance.go
index e82f2320bd2e..0dbfe248d80d 100644
--- a/pkg/sql/sqlinstance/sqlinstance.go
+++ b/pkg/sql/sqlinstance/sqlinstance.go
@@ -72,7 +72,3 @@ type AddressResolver interface {
 
 // NonExistentInstanceError can be returned if a SQL instance does not exist.
 var NonExistentInstanceError = errors.Errorf("non existent SQL instance")
-
-// NotASQLInstanceError can be returned if a function is is not supported for
-// non-SQL instances.
-var NotASQLInstanceError = errors.Errorf("not supported for non-SQL instance")