diff --git a/common/utils/src/main/resources/error/error-conditions.json b/common/utils/src/main/resources/error/error-conditions.json
index 30e9f0a246e34..957ffcfd81edd 100644
--- a/common/utils/src/main/resources/error/error-conditions.json
+++ b/common/utils/src/main/resources/error/error-conditions.json
@@ -388,12 +388,6 @@
     ],
     "sqlState" : "58030"
   },
-  "CANNOT_SAVE_VARIANT" : {
-    "message" : [
-      "Cannot save variant data type into external storage."
-    ],
-    "sqlState" : "0A000"
-  },
   "CANNOT_UPDATE_FIELD" : {
     "message" : [
       "Cannot update <table> field <fieldName> type:"
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryCompilationErrors.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryCompilationErrors.scala
index c422b32c5ec20..5dc7a5a7821de 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryCompilationErrors.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryCompilationErrors.scala
@@ -203,13 +203,6 @@ private[sql] object QueryCompilationErrors extends QueryErrorsBase with Compilat
     invalidParameter("DOUBLE", "ewm", "alpha", invalidValue)
   }
 
-  def invalidStringParameter(
-      functionName: String,
-      parameter: String,
-      invalidValue: Expression): Throwable = {
-    invalidParameter("STRING", functionName, parameter, invalidValue)
-  }
-
   def invalidParameter(
       subClass: String,
       functionName: String,
@@ -1679,12 +1672,6 @@ private[sql] object QueryCompilationErrors extends QueryErrorsBase with Compilat
       messageParameters = Map.empty)
   }
 
-  def cannotSaveVariantIntoExternalStorageError(): Throwable = {
-    new AnalysisException(
-      errorClass = "CANNOT_SAVE_VARIANT",
-      messageParameters = Map.empty)
-  }
-
   def cannotResolveAttributeError(name: String, outputStr: String): Throwable = {
     new AnalysisException(
       errorClass = "_LEGACY_ERROR_TEMP_1137",