diff --git a/resources/default_contacts.json b/resources/default_contacts.json
index 247e26ac39..0e1cd51ae5 100644
--- a/resources/default_contacts.json
+++ b/resources/default_contacts.json
@@ -60,21 +60,6 @@
         "groups": ["state-of-dapps"]
     },
 
-    "mkr-market":
-    {
-        "name":
-        {
-            "en": "Maker Market"
-        },
-        "photo-path": "contacts://mkr-market",
-        "dapp?": true,
-        "dapp-url":
-        {
-            "en": "https://mkr.market"
-        },
-        "groups": ["state-of-dapps"]
-    },
-
     "FirstBlood":
     {
         "name":
@@ -89,101 +74,6 @@
         },
         "groups": ["state-of-dapps"]
     },
-    
-   "gnosis":
-    {
-        "name":
-        {
-            "en": "Gnosis"
-        },
-        "photo-path": "contacts://gnosis",
-        "dapp?": true,
-        "dapp-url":
-        {
-            "en": "https://beta.gnosis.pm"
-        },
-        "groups": ["state-of-dapps"]
-    },
-
-    "melonport":
-    {
-        "name":
-        {
-            "en": "Melonport"
-        },
-        "photo-path": "contacts://melonport",
-        "dapp?": true,
-        "dapp-url":
-        {
-            "en": "https://portal.melonport.com/"
-        },
-        "groups": ["dapps"],
-        "description": "Melonport is a system of tools you can use to set up, manage and invest in digital assets and create management strategies using customisable, predefined ruleset."
-    },
-    
-    "oaken-water-meter":
-    {
-        "name":
-        {
-            "en": "Oaken Water Meter"
-        },
-        "photo-path": "contacts://oaken-water-meter",
-        "dapp?": true,
-        "dapp-url":
-        {
-            "en": "http://waterflowdapp.projectoaken.com"
-        },
-        "groups": ["dapps"],
-        "description": "Project Oaken is a secure, autonomous, machine to machine IOT platform built to provide the underlying infrastructure needed to power smart cities."
-    },
-
-    "bchat":
-    {
-        "name":
-        {
-            "en": "bchat"
-        },
-        "photo-path": "contacts://bchat",
-        "dapp?": true,
-        "dapp-url":
-        {
-            "en": "http://swarm-gateways.net/bzz:/go-bchat.eth/"
-        },
-        "groups": ["dapps"],
-        "description": "bchat (block chat) is a web forum built using a suite of smart contracts known as the Smart Ethereum Bulletin Board (sebb)."
-    },
-    
-    "Dentacoin":
-    {
-        "name":
-        {
-            "en": "Dentacoin"
-        },
-        "photo-path": "contacts://dentacoin",
-        "dapp?": true,
-        "dapp-url":
-        {
-            "en": "http://dentacoin.com/testnet/"
-        },
-        "groups": ["dapps"],
-        "description": "The blockchain solution for the global dental industry, aimed at improving dental care worldwide and making it affordable through crowd power."
-    },
-
-    "Augur":
-    {
-        "name":
-        {
-            "en": "Augur"
-        },
-        "photo-path": "contacts://augur",
-        "dapp?": true,
-        "dapp-url":
-        {
-          "en": "https://app.augur.net"
-        },
-        "groups": ["dapps"],
-        "description": "Augur combines the magic of prediction markets with the power of a decentralized network to create a stunningly accurate forecasting tool - and the chance for real money trading profits."
-    },
 
     "Ethlance":
     {
@@ -199,22 +89,6 @@
         },
         "groups": ["dapps"],
         "description": "The future of work is now. Hire people or work yourself in return for ETH."
-    },
-
-    "Ethcro":
-    {
-        "name":
-        {
-            "en": "Ethcro"
-        },
-        "photo-path": "contacts://ethcro",
-        "dapp?": true,
-        "dapp-url":
-        {
-          "en": "https://ethcrodapp.0trust.us"
-        },
-        "groups": ["dapps"],
-        "description": "Smart Contracts for everyone"
     }
 
 }
diff --git a/src/status_im/data_store/realm/schemas/account/v21/core.cljs b/src/status_im/data_store/realm/schemas/account/v21/core.cljs
index 321f7d57c1..d56508ea7a 100644
--- a/src/status_im/data_store/realm/schemas/account/v21/core.cljs
+++ b/src/status_im/data_store/realm/schemas/account/v21/core.cljs
@@ -58,8 +58,40 @@
                    (string/includes? content "command=phone"))
           (aset message "show?" false))))))
 
+(defn chat-by-id [chats chat-id]
+  (some-> chats
+          (.filtered (str "chat-id = \"" chat-id "\""))
+          (aget 0)))
+
+(defn contact-by-id [contacts contact-id]
+  (some-> contacts
+          (.filtered (str "whisper-identity = \"" contact-id "\""))
+          (aget 0)))
+
+(defn messages-by-chat-id [messages chat-id]
+  (some-> messages
+          (.filtered (str "chat-id = \"" chat-id "\""))))
+
+(defn remove-dapp! [realm dapp]
+  (let [contacts (.objects realm "contact")
+        chats    (.objects realm "chat")
+        messages (.objects realm "message")]
+    (when-let [contact (contact-by-id contacts dapp)]
+      (.delete realm contact)
+      (when-let [chat (chat-by-id chats dapp)]
+        (.delete realm chat)
+        (when-let [messages (messages-by-chat-id messages dapp)]
+          (.delete realm messages))))))
+
+(defn clean-dapps! [realm]
+  (let [dapps #{"bchat" "Dentacoin" "gnosis" "melonport" "oaken-water-meter"
+                "Ethcro" "Augur" "mkr-market"}]
+    (doseq [dapp dapps]
+      (remove-dapp! realm dapp))))
+
 (defn migration [old-realm new-realm]
   (log/debug "migrating v21 account database: " old-realm new-realm)
   (remove-contact! new-realm "browse")
   (remove-location-messages! old-realm new-realm)
-  (remove-phone-messages! old-realm new-realm))
+  (remove-phone-messages! old-realm new-realm)
+  (clean-dapps! new-realm))