diff --git a/seed/challenges/05-apis-and-microservices/api-and-microservice-projects.json b/seed/challenges/05-apis-and-microservices/api-and-microservice-projects.json
index 0786376b03..a3013c9589 100644
--- a/seed/challenges/05-apis-and-microservices/api-and-microservice-projects.json
+++ b/seed/challenges/05-apis-and-microservices/api-and-microservice-projects.json
@@ -60,7 +60,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 1, 2016",
-      "challengeType": 7,
       "translations": {
         "es": {
           "title": "Microservicio de Marca Temporal",
@@ -88,7 +87,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 1, 2016",
-      "challengeType": 7,
       "translations": {
         "es": {
           "title": "Microservicio para analizar el encabezado de una petición",
@@ -124,7 +122,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 1, 2016",
-      "challengeType": 7,
       "translations": {
         "es": {
           "title": "Microservicio para acortar URLs",
@@ -168,7 +165,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "February 17, 2017",
-      "challengeType": 7,
       "translations": {
         "es": {
           "title": "Capa de abstracción para buscar imágenes",
@@ -200,7 +196,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 1, 2016",
-      "challengeType": 7,
       "translations": {
         "es": {
           "title": "Microservicio de metadatos de archivos",
@@ -209,4 +204,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/seed/challenges/06-information-security-and-quality-assurance/quality-assurance-and-information-security-projects.json b/seed/challenges/06-information-security-and-quality-assurance/quality-assurance-and-information-security-projects.json
index 723ad474ab..48cb25a54b 100644
--- a/seed/challenges/06-information-security-and-quality-assurance/quality-assurance-and-information-security-projects.json
+++ b/seed/challenges/06-information-security-and-quality-assurance/quality-assurance-and-information-security-projects.json
@@ -72,7 +72,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 15, 2017",
-      "challengeType": 7,
       "translations": {}
     },
     {
@@ -123,7 +122,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 15, 2017",
-      "challengeType": 7,
       "translations": {}
     },
     {
@@ -182,7 +180,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 15, 2017",
-      "challengeType": 7,
       "translations": {}
     },
     {
@@ -229,7 +226,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 15, 2017",
-      "challengeType": 7,
       "translations": {}
     },
     {
@@ -296,7 +292,6 @@
       "type": "backend",
       "isRequired": true,
       "releasedOn": "January 15, 2017",
-      "challengeType": 7,
       "translations": {}
     }
   ]