diff --git a/orcid-core/src/main/java/org/orcid/core/togglz/Features.java b/orcid-core/src/main/java/org/orcid/core/togglz/Features.java
index c3fceb46f17..b19a5bc6e3e 100644
--- a/orcid-core/src/main/java/org/orcid/core/togglz/Features.java
+++ b/orcid-core/src/main/java/org/orcid/core/togglz/Features.java
@@ -75,9 +75,6 @@ public enum Features implements Feature {
     @Label("Affiliation search")
     AFFILIATION_SEARCH,
     
-    @Label("Https for links to iDs")
-    HTTPS_IDS,
-
     @Label("Arabic translation")
     LANG_AR,
 
@@ -129,12 +126,6 @@ public enum Features implements Feature {
     @Label("Works failure debug")
     WORKS_FAILURE_DEBUG,
     
-    @Label("Disable the 2.0 release candidates")
-    V2_DISABLE_RELEASE_CANDIDATES,
-
-    @Label("Disable the 3.0 release candidates")
-    V3_DISABLE_RELEASE_CANDIDATES,
-
     @Label("ID token 24 hours lifespan")
     ID_TOKEN_24_HOURS_LIFESPAN,
     
diff --git a/orcid-core/src/main/java/org/orcid/core/utils/v3/OrcidIdentifierUtils.java b/orcid-core/src/main/java/org/orcid/core/utils/v3/OrcidIdentifierUtils.java
index 6794e40f45f..ce9ba0eaae0 100644
--- a/orcid-core/src/main/java/org/orcid/core/utils/v3/OrcidIdentifierUtils.java
+++ b/orcid-core/src/main/java/org/orcid/core/utils/v3/OrcidIdentifierUtils.java
@@ -3,7 +3,6 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 
-import org.orcid.core.togglz.Features;
 import org.orcid.jaxb.model.v3.release.common.OrcidIdentifier;
 import org.springframework.beans.factory.annotation.Value;
 
@@ -14,10 +13,7 @@ public class OrcidIdentifierUtils {
     
     public OrcidIdentifier buildOrcidIdentifier(String orcid) {
         OrcidIdentifier identifier = new OrcidIdentifier();
-        String correctedBaseUri = baseUri;
-        if(!Features.HTTPS_IDS.isActive()) {
-            correctedBaseUri = correctedBaseUri.replace("https", "http");
-        } 
+        String correctedBaseUri = baseUri;        
         try {
             URI uri = new URI(correctedBaseUri);
             identifier.setHost(uri.getHost());
diff --git a/orcid-web/src/main/java/org/orcid/frontend/web/controllers/HomeController.java b/orcid-web/src/main/java/org/orcid/frontend/web/controllers/HomeController.java
index 8f775ec968d..9ecb15454cb 100644
--- a/orcid-web/src/main/java/org/orcid/frontend/web/controllers/HomeController.java
+++ b/orcid-web/src/main/java/org/orcid/frontend/web/controllers/HomeController.java
@@ -287,12 +287,7 @@ public String getMaintenanceMessage() {
     }
     
     protected String getSearchBaseUrl() {
-        String pubBaseUri = orcidUrlManager.getPubBaseUrl();
-        if(Features.HTTPS_IDS.isActive()) {
-            return pubBaseUri + "/v3.0/search/";
-        } else {
-            return pubBaseUri + "/v1.2/search/orcid-bio/";
-        }          
+        return orcidUrlManager.getPubBaseUrl() + "/v3.0/search/";                 
     }
     
     class ConfigDetails {
diff --git a/orcid-web/src/main/java/org/orcid/frontend/web/controllers/RegistrationController.java b/orcid-web/src/main/java/org/orcid/frontend/web/controllers/RegistrationController.java
index a3e86e1fce9..56b8006d90a 100644
--- a/orcid-web/src/main/java/org/orcid/frontend/web/controllers/RegistrationController.java
+++ b/orcid-web/src/main/java/org/orcid/frontend/web/controllers/RegistrationController.java
@@ -516,18 +516,7 @@ public ModelAndView verifyEmail(HttpServletRequest request, HttpServletResponse
         }       
 
         return new ModelAndView(redirect);
-    }
-
-    private Search findPotentialDuplicatesByFirstNameLastName(String firstName, String lastName) {
-        LOGGER.debug("About to search for potential duplicates during registration for first name={}, last name={}", firstName, lastName);
-        SearchOrcidSolrCriteria queryForm = new SearchOrcidSolrCriteria();
-        queryForm.setGivenName(firstName);
-        queryForm.setFamilyName(lastName);
-        Search visibleProfiles = orcidSearchManager.findOrcidsByQuery(queryForm.deriveQueryString(), DUP_SEARCH_START, DUP_SEARCH_ROWS);
-        LOGGER.debug("Found {} potential duplicates during registration for first name={}, last name={}",
-                new Object[] { visibleProfiles.getNumFound(), firstName, lastName });
-        return visibleProfiles;
-    }
+    }    
 
     private void createMinimalRegistrationAndLogUserIn(HttpServletRequest request, HttpServletResponse response, Registration registration,
             boolean usedCaptchaVerification, Locale locale, String ip) {