diff --git a/shared/research.go b/shared/research.go
index 0e6f136..9aa85d3 100644
--- a/shared/research.go
+++ b/shared/research.go
@@ -397,8 +397,6 @@ type ResearchPair struct {
 	QuoteAssetId   uint64   `json:"quoteAssetId" gorm:"uniqueIndex:pair_idx"`
 	BaseAssetType  string   `json:"baseAssetType" gorm:"uniqueIndex:pair_idx"`
 	QuoteAssetType string   `json:"qouteAssetType" gorm:"uniqueIndex:pair_idx"`
-	BaseAssetSlug  string   `json:"baseAssetSlug"`
-	QuoteAssetSlug string   `json:"quoteAssetSlug"`
 	MarketType     string   `json:"marketType"`
 	ExchangeID     uint64   `gorm:"uniqueIndex:pair_idx"`
 	Exchange       Exchange `gorm:"foreignKey:ExchangeID;references:ID"`