diff --git a/packages/assertions/assertionTests-tm.js b/packages/assertions/assertionTests-tm.js
index f8c5322df..84b12a02f 100644
--- a/packages/assertions/assertionTests-tm.js
+++ b/packages/assertions/assertionTests-tm.js
@@ -15,10 +15,7 @@ const mergeIdenticalResults = require("./util").mergeIdenticalResults
 
 
 // Imports from playground core
-// const checkUniqueness = require('@thing-description-playground/core').propUniqueness
-// const checkMultiLangConsistency = require("@thing-description-playground/core").multiLangConsistency
-// const checkSecurity = require("@thing-description-playground/core").security
-// const checkLinksRelTypeCount = require("@thing-description-playground/core").checkLinksRelTypeCount
+const checkTmOptionalPointer = require("@thing-description-playground/core").checkTmOptionalPointer
 const tmSchema = require("@thing-description-playground/core/tm-schema.json")
 const tmPlaceholderSchema = require("./assertions-tm/tm-placeholder.json")
 const tmRefSchema =  require("./assertions-tm/tm-tmRef1.json")
@@ -93,9 +90,7 @@ module.exports = validateTM
     }
 
     // additional checks
-    // results.push(...checkSecurity(tmJson))
-    // results.push(...checkMultiLangConsistency(tmJson))
-    // results.push(...checkLinksRelTypeCount(tmJson))
+    results.push(...checkTmOptionalPointer(tmJson))
 
     // Iterating through assertions
     for (let index = 0; index < assertions.length; index++) {
diff --git a/packages/assertions/assertions-tm/manual.csv b/packages/assertions/assertions-tm/manual.csv
index 7ab0a730f..712e7a872 100644
--- a/packages/assertions/assertions-tm/manual.csv
+++ b/packages/assertions/assertions-tm/manual.csv
@@ -11,7 +11,6 @@
 "tm-overwrite-types","null","not testable with Assertion Tester","Definitions SHOULD NOT be overwritten in such a way that possible instance values are no longer valid compared to the origin extended definitions."
 "tm-placeholder-replacement","null","not testable with Assertion Tester","The placeholder labeling MUST be substituted with a concrete value (e.g., as JSON number, JSON string, JSON object, etc) when TD instance is created from the Thing Model."
 "tm-ref-recursive-extensions","null","not testable with Assertion Tester","Recursive extensions leading to an infinite loop MUST NOT be defined."
-"tm-tmOptional-resolver","null","not testable with Assertion Tester","The JSON Pointers of tm:optional MUST resolve to an entire interaction affordance Map definition."
 "tm-tmRef-overwrite-possibility","null","not testable with Assertion Tester","If the intention is to override an existing JSON name-value pair definition from tm:ref, the same JSON name MUST be used at the same level of the tm:ref declaration that provides a new value."
 "tm-tmRef-overwrite-process","null","not testable with Assertion Tester","The process to overwrite MUST follow the JSON Merge Patch algorithm as defined in [RFC7396] where the content of the referenced definition is patched with the new provided JSON name-value pairs."
 "tm-tmRef-overwrite-semantic-meaning","null","not testable with Assertion Tester","Similar to tm:extends and to keep the semantic meaning, definitions SHOULD NOT be overwritten in such a way that possible instance values are no longer valid compared to the origin referenced definition."
diff --git a/packages/cli/index.js b/packages/cli/index.js
index d64561768..1420ddb33 100644
--- a/packages/cli/index.js
+++ b/packages/cli/index.js
@@ -593,9 +593,9 @@ function defaultManipulation() {
  */
 function extractName(pathLike) {
     // remove path if existing
-    console.log("Before: "+pathLike)
+    // console.log("Before: "+pathLike)
     pathLike = path.basename(pathLike)
-    console.log("After: "+pathLike)
+    // console.log("After: "+pathLike)
     // remove file ending if existing
     if (pathLike.indexOf(".") !== -1) {
         pathLike = pathLike.split(".")
diff --git a/packages/core/shared.js b/packages/core/shared.js
index ef0f0d430..0763d3f97 100644
--- a/packages/core/shared.js
+++ b/packages/core/shared.js
@@ -133,7 +133,6 @@ function checkPropUniqueness(tdString) {
             const tdProperties = td.properties
             if (tdProperties.hasOwnProperty(interactionName)) {
                 // duplicate was at properties but that fails the td-unique identifiers as well
-                // console.log("at property");
                 results.push({
                     "ID": "td-properties_uniqueness",
                     "Status": "fail",
@@ -162,7 +161,6 @@ function checkPropUniqueness(tdString) {
             const tdActions = td.actions
             if (tdActions.hasOwnProperty(interactionName)) {
                 // duplicate was at actions but that fails the td-unique identifiers as well
-                // console.log("at action");
                 results.push({
                     "ID": "td-actions_uniqueness",
                     "Status": "fail",
@@ -189,7 +187,6 @@ function checkPropUniqueness(tdString) {
             const tdEvents = td.events
             if (tdEvents.hasOwnProperty(interactionName)) {
                 // duplicate was at events but that fails the td-unique identifiers as well
-                // console.log("at event");
                 results.push({
                     "ID": "td-events_uniqueness",
                     "Status": "fail",
@@ -787,7 +784,7 @@ function checkUriSecurity(td) {
                         if (curPropertyUriVariables.length>0){ // there are urivariables somewhere at least
                             // below is from https://stackoverflow.com/a/1885569/3806426
                             const filteredArray = curPropertyUriVariables.filter(value => securityUriVariables.includes(value))
-                            console.log(curPropertyUriVariables,"\n",securityUriVariables,"\n",filteredArray)
+                            // console.log(curPropertyUriVariables,"\n",securityUriVariables,"\n",filteredArray)
                             if(filteredArray.length>0){
                                 uriVariablesDistinctResult = "fail"
                             } else {
@@ -828,7 +825,7 @@ function checkUriSecurity(td) {
                         if (curActionUriVariables.length>0){ // there are urivariables somewhere at least
                             // below is from https://stackoverflow.com/a/1885569/3806426
                             const filteredArray = curActionUriVariables.filter(value => securityUriVariables.includes(value))
-                            console.log(curActionUriVariables,"\n",securityUriVariables,"\n",filteredArray)
+                            // console.log(curActionUriVariables,"\n",securityUriVariables,"\n",filteredArray)
                             if(filteredArray.length>0){
                                 uriVariablesDistinctResult = "fail"
                             } else {
@@ -869,7 +866,7 @@ function checkUriSecurity(td) {
                         if (curEventUriVariables.length>0){ // there are urivariables somewhere at least
                             // below is from https://stackoverflow.com/a/1885569/3806426
                             const filteredArray = curEventUriVariables.filter(value => securityUriVariables.includes(value))
-                            console.log(curEventUriVariables,"\n",securityUriVariables,"\n",filteredArray)
+                            // console.log(curEventUriVariables,"\n",securityUriVariables,"\n",filteredArray)
                             if(filteredArray.length>0){
                                 uriVariablesDistinctResult = "fail"
                             } else {