diff --git a/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/utils/AstNodeUtils.kt b/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/utils/AstNodeUtils.kt
index eff733560b..2fb9170d58 100644
--- a/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/utils/AstNodeUtils.kt
+++ b/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/utils/AstNodeUtils.kt
@@ -983,7 +983,7 @@ private fun hasAnySuppressorForInspection(
     }
         ?.findAllDescendantsWithSpecificType(ANNOTATION_ENTRY)
         ?.map { it.psi as KtAnnotationEntry }
-        ?: setOf()
+        ?: emptySet()
 
     val foundSuppress = annotationsForNode.containSuppressWithName(warningName)
 
diff --git a/diktat-rules/src/test/kotlin/org/cqfn/diktat/util/SuppressingTest.kt b/diktat-rules/src/test/kotlin/org/cqfn/diktat/util/SuppressingTest.kt
index 5549f2fb2c..ed97449303 100644
--- a/diktat-rules/src/test/kotlin/org/cqfn/diktat/util/SuppressingTest.kt
+++ b/diktat-rules/src/test/kotlin/org/cqfn/diktat/util/SuppressingTest.kt
@@ -26,7 +26,7 @@ import org.junit.jupiter.api.Test
 class SuppressingTest : LintTestBase(::IdentifierNaming) {
     private val ruleId: String = "$DIKTAT_RULE_SET_ID:${IdentifierNaming.NAME_ID}"
     private val rulesConfigBooleanFunctions: List<RulesConfig> = listOf(
-        RulesConfig(IDENTIFIER_LENGTH.name, true, mapOf(), setOf("MySuperSuppress"))
+        RulesConfig(IDENTIFIER_LENGTH.name, true, emptyMap(), setOf("MySuperSuppress"))
     )
 
     @Test