diff --git a/src/scriptlets/abort-on-stack-trace.js b/src/scriptlets/abort-on-stack-trace.js
index 2ecb9b53..cbcc0890 100644
--- a/src/scriptlets/abort-on-stack-trace.js
+++ b/src/scriptlets/abort-on-stack-trace.js
@@ -88,7 +88,7 @@ export function abortOnStackTrace(source, property, stack) {
         }
 
         if (!stack.match(/^(inlineScript|injectedScript)$/) && !isValidStrPattern(stack)) {
-            logMessage(source, `Invalid parameter: ${stack}`, source.verbose);
+            logMessage(source, `Invalid parameter: ${stack}`);
             return;
         }
 
diff --git a/src/scriptlets/adjust-setInterval.js b/src/scriptlets/adjust-setInterval.js
index 792c46be..3743a659 100644
--- a/src/scriptlets/adjust-setInterval.js
+++ b/src/scriptlets/adjust-setInterval.js
@@ -71,7 +71,7 @@ export function adjustSetInterval(source, matchCallback, matchDelay, boost) {
         // https://github.com/AdguardTeam/Scriptlets/issues/221
         if (!isValidCallback(callback)) {
             // eslint-disable-next-line max-len
-            const message = `Scriptlet adjust-setInterval can not be applied because of invalid callback: '${String(callback)}'.`;
+            const message = `Scriptlet can't be applied because of invalid callback: '${String(callback)}'.`;
             logMessage(source, message);
         } else if (matchRegexp.test(callback.toString()) && isDelayMatched(matchDelay, delay)) {
             delay *= getBoostMultiplier(boost);
diff --git a/src/scriptlets/adjust-setTimeout.js b/src/scriptlets/adjust-setTimeout.js
index 30b35400..94322384 100644
--- a/src/scriptlets/adjust-setTimeout.js
+++ b/src/scriptlets/adjust-setTimeout.js
@@ -71,7 +71,7 @@ export function adjustSetTimeout(source, matchCallback, matchDelay, boost) {
         // https://github.com/AdguardTeam/Scriptlets/issues/221
         if (!isValidCallback(callback)) {
             // eslint-disable-next-line max-len
-            const message = `Scriptlet adjust-setTimeout can not be applied because of invalid callback: '${String(callback)}'.`;
+            const message = `Scriptlet can't be applied because of invalid callback: '${String(callback)}'.`;
             logMessage(source, message);
         } else if (matchRegexp.test(callback.toString()) && isDelayMatched(matchDelay, delay)) {
             delay *= getBoostMultiplier(boost);
diff --git a/src/scriptlets/remove-attr.js b/src/scriptlets/remove-attr.js
index 3fddeb1c..97e7ac3e 100644
--- a/src/scriptlets/remove-attr.js
+++ b/src/scriptlets/remove-attr.js
@@ -83,7 +83,7 @@ export function removeAttr(source, attrs, selector, applying = 'asap stay') {
         try {
             nodes = [].slice.call(document.querySelectorAll(selector));
         } catch (e) {
-            logMessage(source, `Invalid remove-attr selector arg: '${selector}'`);
+            logMessage(source, `Invalid selector arg: '${selector}'`);
         }
         let removed = false;
         nodes.forEach((node) => {
diff --git a/src/scriptlets/remove-class.js b/src/scriptlets/remove-class.js
index 1d7d64fd..e768cab0 100644
--- a/src/scriptlets/remove-class.js
+++ b/src/scriptlets/remove-class.js
@@ -93,7 +93,7 @@ export function removeClass(source, classNames, selector, applying = 'asap stay'
             try {
                 foundNodes = [].slice.call(document.querySelectorAll(selector));
             } catch (e) {
-                logMessage(source, `Invalid remove-class selector arg: '${selector}'`);
+                logMessage(source, `Invalid selector arg: '${selector}'`);
             }
             foundNodes.forEach((n) => nodes.add(n));
         } else if (selectors.length > 0) {