diff --git a/checks.js b/checks.js
index 155ea2b..e517b9c 100644
--- a/checks.js
+++ b/checks.js
@@ -9,7 +9,7 @@ function hasFullSupport() {
 module.exports.hasFullSupport = hasFullSupport;
 
 function hasTracingChannel() {
-  return hasFullSupport();
+  return MAJOR >= 20;
 }
 module.exports.hasTracingChannel = hasTracingChannel;
 
@@ -21,7 +21,7 @@ function hasDiagnosticsChannel() {
 module.exports.hasDiagnosticsChannel = hasDiagnosticsChannel;
 
 function hasTopSubscribeUnsubscribe() {
-  return hasFullSupport()
+  return MAJOR >= 20
     || (MAJOR === 16 && MINOR >= 17)
     || (MAJOR === 18 && MINOR >= 7);
 }
@@ -38,7 +38,7 @@ function hasZeroSubscribersBug() {
 module.exports.hasZeroSubscribersBug = hasZeroSubscribersBug;
 
 function hasChannelStoreMethods() {
-  return hasFullSupport()
+  return MAJOR === 20
     || (MAJOR === 19 && MINOR >= 9);
 }
 module.exports.hasChannelStoreMethods = hasChannelStoreMethods;
diff --git a/test/test-diagnostics-channel-tracing-channel-async.spec.js b/test/test-diagnostics-channel-tracing-channel-async.spec.js
index 2950088..f583bc1 100644
--- a/test/test-diagnostics-channel-tracing-channel-async.spec.js
+++ b/test/test-diagnostics-channel-tracing-channel-async.spec.js
@@ -57,7 +57,7 @@ test('test-diagnostics-channel-tracing-channel-async', (t) => {
   try {
     channel.traceCallback(common.mustNotCall(), 0, input, thisArg, 1, 2, 3);
   } catch (err) {
-    if (MAJOR >= 20 && MINOR >= 6) {
+    if (MAJOR >= 20) {
       // By default, this error message is used for all of v20
       // However, patch-sync-unsubscribe-bug causes the error to change to the older version mentioning Array
       t.ok(/"callback" argument must be of type function/.test(err.message));