diff --git a/explore/deploy/beta-properties.json b/explore/deploy/beta-properties.json
index 260b1f90..2ce29a0f 100644
--- a/explore/deploy/beta-properties.json
+++ b/explore/deploy/beta-properties.json
@@ -1,7 +1,6 @@
 {
   "environment" : "beta",
   "enablePiwikTrack" : true,
-  "enableHelper" : true,
   "useCache" : true,
   "metricsAPIURL" : "https://beta.services.openaire.eu/usagestats/",
   "framesAPIURL" : "https://beta.openaire.eu/stats3/",
@@ -16,11 +15,8 @@
   "searchDataciteAPIURL" : "https://api.datacite.org/works",
   "searchOrcidURL"    : "https://pub.orcid.org/v2.1/",
   "orcidURL"   : "https://orcid.org/",
-  "pmidURL"    : "http://www.ncbi.nlm.nih.gov/pubmed/",
   "doiURL"     : "https://dx.doi.org/",
   "cordisURL"  : "http://cordis.europa.eu/projects/",
-  "pmcURL"     : "http://europepmc.org/articles/",
-  "handleURL"  : "http://hdl.handle.net/",
   "openDoarURL": "http://v2.sherpa.ac.uk/id/repository/",
   "r3DataURL": "http://service.re3data.org/repository/",
   "zenodo"   : "https://zenodo.org/",
@@ -44,8 +40,6 @@
 
   "feedbackmail" :"openaire.test@gmail.com",
 
-  "helperPageUrl" :"http://scoobydoo.di.uoa.gr:16000/api/page/route",
-
   "cacheUrl" :"https://demo.openaire.eu/cache/get?url=",
 
   "datasourcesAPI": "https://beta.services.openaire.eu/openaire/ds/search/",
@@ -78,7 +72,6 @@
   "searchLinkToOrps" : "/search/find/other",
   "searchLinkToOrganizations" : "/search/find/organizations",
   "searchLinkToCompatibleDataProviders" : "/search/content-providers",
-  "searchLinkToCompatibleDataProvidersTable" : "/search/content-providers-table",
   "searchLinkToEntityRegistriesDataProviders" : "/search/entity-registries",
   "searchLinkToEntityRegistriesDataProvidersTable" : "/search/entity-registries-table",
   "searchLinkToJournals" : "/search/journals",
diff --git a/explore/deploy/production-properties.json b/explore/deploy/production-properties.json
index 5c69f056..6cec2830 100644
--- a/explore/deploy/production-properties.json
+++ b/explore/deploy/production-properties.json
@@ -1,7 +1,6 @@
 {
   "environment" : "production",
   "enablePiwikTrack" : true,
-  "enableHelper" : true,
   "useCache" : true,
   "metricsAPIURL" : "https://services.openaire.eu/usagestats/",
   "framesAPIURL" : "https://www.openaire.eu/stats3/",
@@ -16,11 +15,8 @@
   "searchDataciteAPIURL" : "https://api.datacite.org/works",
   "searchOrcidURL"    : "https://pub.orcid.org/v2.1/",
   "orcidURL"   : "https://orcid.org/",
-  "pmidURL"    : "http://www.ncbi.nlm.nih.gov/pubmed/",
   "doiURL"     : "https://dx.doi.org/",
   "cordisURL"  : "http://cordis.europa.eu/projects/",
-  "pmcURL"     : "http://europepmc.org/articles/",
-  "handleURL"  : "http://hdl.handle.net/",
   "openDoarURL": "http://v2.sherpa.ac.uk/id/repository/",
   "r3DataURL": "http://service.re3data.org/repository/",
   "zenodo"   : "https://zenodo.org/",
@@ -77,7 +73,6 @@
   "searchLinkToOrps" : "/search/find/other",
   "searchLinkToOrganizations" : "/search/find/organizations",
   "searchLinkToCompatibleDataProviders" : "/search/content-providers",
-  "searchLinkToCompatibleDataProvidersTable" : "/search/content-providers-table",
   "searchLinkToEntityRegistriesDataProviders" : "/search/entity-registries",
   "searchLinkToEntityRegistriesDataProvidersTable" : "/search/entity-registries-table",
   "searchLinkToJournals" : "/search/journals",
diff --git a/explore/src/assets/env-properties.json b/explore/src/assets/env-properties.json
index e6637895..ea76c554 100644
--- a/explore/src/assets/env-properties.json
+++ b/explore/src/assets/env-properties.json
@@ -1,7 +1,6 @@
 {
   "environment" : "development",
   "enablePiwikTrack" : false,
-  "enableHelper" : true,
   "useCache" : false,
   "metricsAPIURL" : "https://beta.services.openaire.eu/usagestats/",
   "framesAPIURL" : "https://beta.openaire.eu/stats3/",
@@ -16,11 +15,8 @@
   "searchDataciteAPIURL" : "https://api.datacite.org/works",
   "searchOrcidURL"    :  "https://pub.orcid.org/v2.1/",
   "orcidURL"   : "https://orcid.org/",
-  "pmidURL"    : "http://www.ncbi.nlm.nih.gov/pubmed/",
   "doiURL"     : "https://dx.doi.org/",
   "cordisURL"  : "http://cordis.europa.eu/projects/",
-  "pmcURL"     : "http://europepmc.org/articles/",
-  "handleURL"  : "http://hdl.handle.net/",
   "openDoarURL": "http://v2.sherpa.ac.uk/id/repository/",
   "r3DataURL": "http://service.re3data.org/repository/",
   "zenodo"   : "https://zenodo.org/",
@@ -44,8 +40,6 @@
 
   "feedbackmail" :"openaire.test@gmail.com",
 
-  "helperPageUrl" :"http://scoobydoo.di.uoa.gr:16000/api/page/route",
-
   "cacheUrl" :"http://scoobydoo.di.uoa.gr:3000/get?url=",
 
   "adminToolsAPIURL" :"http://scoobydoo.di.uoa.gr:8080/uoa-admin-tools/",
@@ -77,7 +71,6 @@
   "searchLinkToOrps" : "/search/find/other",
   "searchLinkToOrganizations" : "/search/find/organizations",
   "searchLinkToCompatibleDataProviders" : "/search/content-providers",
-  "searchLinkToCompatibleDataProvidersTable" : "/search/content-providers-table",
   "searchLinkToEntityRegistriesDataProviders" : "/search/entity-registries",
   "searchLinkToEntityRegistriesDataProvidersTable" : "/search/entity-registries-table",
   "searchLinkToJournals" : "/search/journals",