diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Stddev.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Stddev.java
index 568ca903058e3e5..ecab5989e9fa45f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Stddev.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Stddev.java
@@ -25,7 +25,6 @@
 import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
 import org.apache.doris.nereids.types.BigIntType;
 import org.apache.doris.nereids.types.DecimalV2Type;
-import org.apache.doris.nereids.types.DecimalV3Type;
 import org.apache.doris.nereids.types.DoubleType;
 import org.apache.doris.nereids.types.FloatType;
 import org.apache.doris.nereids.types.IntegerType;
@@ -51,8 +50,7 @@ public class Stddev extends NullableAggregateFunction
             FunctionSignature.ret(DoubleType.INSTANCE).args(BigIntType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(FloatType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(DoubleType.INSTANCE),
-            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT),
-            FunctionSignature.ret(DecimalV3Type.WILDCARD).args(DecimalV3Type.WILDCARD)
+            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT)
     );
 
     /**
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/StddevSamp.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/StddevSamp.java
index 6765ac9c63ff681..973609a2b2ea89f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/StddevSamp.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/StddevSamp.java
@@ -26,7 +26,6 @@
 import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
 import org.apache.doris.nereids.types.BigIntType;
 import org.apache.doris.nereids.types.DecimalV2Type;
-import org.apache.doris.nereids.types.DecimalV3Type;
 import org.apache.doris.nereids.types.DoubleType;
 import org.apache.doris.nereids.types.FloatType;
 import org.apache.doris.nereids.types.IntegerType;
@@ -52,8 +51,7 @@ public class StddevSamp extends AggregateFunction
             FunctionSignature.ret(DoubleType.INSTANCE).args(BigIntType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(FloatType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(DoubleType.INSTANCE),
-            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT),
-            FunctionSignature.ret(DecimalV3Type.WILDCARD).args(DecimalV3Type.WILDCARD)
+            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT)
     );
 
     /**
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Variance.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Variance.java
index efb6d61c11f175a..e0a887788899d9c 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Variance.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Variance.java
@@ -25,7 +25,6 @@
 import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
 import org.apache.doris.nereids.types.BigIntType;
 import org.apache.doris.nereids.types.DecimalV2Type;
-import org.apache.doris.nereids.types.DecimalV3Type;
 import org.apache.doris.nereids.types.DoubleType;
 import org.apache.doris.nereids.types.FloatType;
 import org.apache.doris.nereids.types.IntegerType;
@@ -51,8 +50,7 @@ public class Variance extends NullableAggregateFunction
             FunctionSignature.ret(DoubleType.INSTANCE).args(BigIntType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(FloatType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(DoubleType.INSTANCE),
-            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT),
-            FunctionSignature.ret(DecimalV3Type.WILDCARD).args(DecimalV3Type.WILDCARD)
+            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT)
     );
 
     /**
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/VarianceSamp.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/VarianceSamp.java
index 6c22e62cf43e90c..3473b2afbac513a 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/VarianceSamp.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/VarianceSamp.java
@@ -25,7 +25,6 @@
 import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
 import org.apache.doris.nereids.types.BigIntType;
 import org.apache.doris.nereids.types.DecimalV2Type;
-import org.apache.doris.nereids.types.DecimalV3Type;
 import org.apache.doris.nereids.types.DoubleType;
 import org.apache.doris.nereids.types.FloatType;
 import org.apache.doris.nereids.types.IntegerType;
@@ -51,8 +50,7 @@ public class VarianceSamp extends AggregateFunction
             FunctionSignature.ret(DoubleType.INSTANCE).args(BigIntType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(FloatType.INSTANCE),
             FunctionSignature.ret(DoubleType.INSTANCE).args(DoubleType.INSTANCE),
-            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT),
-            FunctionSignature.ret(DecimalV3Type.WILDCARD).args(DecimalV3Type.WILDCARD)
+            FunctionSignature.ret(DecimalV2Type.SYSTEM_DEFAULT).args(DecimalV2Type.SYSTEM_DEFAULT)
     );
 
     /**