diff --git a/internal/proxy/plan_parser.go b/internal/proxy/plan_parser.go
index 3ffe56c819..f224885aa9 100644
--- a/internal/proxy/plan_parser.go
+++ b/internal/proxy/plan_parser.go
@@ -567,17 +567,6 @@ func (pc *parserContext) handleLeafValue(nodeRaw *ant_ast.Node, dataType schemap
 					Int64Val: int64(node.Value),
 				},
 			}
-		} else if dataType == schemapb.DataType_Bool {
-			gv = &planpb.GenericValue{
-				Val: &planpb.GenericValue_BoolVal{},
-			}
-			if node.Value == 1 {
-				gv.Val.(*planpb.GenericValue_BoolVal).BoolVal = true
-			} else if node.Value == 0 {
-				gv.Val.(*planpb.GenericValue_BoolVal).BoolVal = false
-			} else {
-				return nil, fmt.Errorf("bool field should only match 0 or 1")
-			}
 		} else {
 			return nil, fmt.Errorf("type mismatch")
 		}
diff --git a/internal/proxy/plan_parser_test.go b/internal/proxy/plan_parser_test.go
index a19d936d69..57bcfe9433 100644
--- a/internal/proxy/plan_parser_test.go
+++ b/internal/proxy/plan_parser_test.go
@@ -250,12 +250,11 @@ func TestExprMultiRange_Str(t *testing.T) {
 		"BoolN1 == True",
 		"True == BoolN1",
 		"BoolN1 == False",
-		"BoolN1 == 1",
-		"BoolN1 == 0",
 	}
 	invalidExprs := []string{
-		"BoolN1 == 2",
-		"BoolN1 > 2",
+		"BoolN1 == 1",
+		"BoolN1 == 0",
+		"BoolN1 > 0",
 	}
 
 	fields := []*schemapb.FieldSchema{