diff --git a/web/explorer/explorer-server/src/api.rs b/web/explorer/explorer-server/src/api.rs
--- a/web/explorer/explorer-server/src/api.rs
+++ b/web/explorer/explorer-server/src/api.rs
@@ -30,11 +30,10 @@
 
                 let json_token = JsonToken {
                     token_id: token_id.clone(),
-                    token_type: slp_meta.token_type as u32,
+                    token_type: slp_meta.token_type,
                     token_ticker,
                     token_name,
                     decimals: genesis_info.decimals,
-                    group_id: Some(hex::encode(&slp_meta.group_token_id)),
                 };
                 json_tokens.insert(token_id.clone(), json_token.clone());
             }
@@ -142,11 +141,10 @@
                     Some(token_id_hex),
                     Some(JsonToken {
                         token_id: to_be_hex(&slp_meta.token_id),
-                        token_type: slp_meta.token_type as u32,
+                        token_type: slp_meta.token_type,
                         token_ticker,
                         token_name,
                         decimals: genesis_info.decimals,
-                        group_id: Some(to_be_hex(&slp_meta.group_token_id)),
                     }),
                 )
             }
diff --git a/web/explorer/explorer-server/src/server_primitives.rs b/web/explorer/explorer-server/src/server_primitives.rs
--- a/web/explorer/explorer-server/src/server_primitives.rs
+++ b/web/explorer/explorer-server/src/server_primitives.rs
@@ -26,11 +26,10 @@
 #[serde(rename_all = "camelCase")]
 pub struct JsonToken {
     pub token_id: String,
-    pub token_type: u32,
+    pub token_type: i32,
     pub token_ticker: String,
     pub token_name: String,
     pub decimals: u32,
-    pub group_id: Option<String>,
 }
 
 #[derive(Serialize)]