diff --git a/config/intellij-idea-inspections.xml b/config/intellij-idea-inspections.xml
index 1ae23ac04..4950a539a 100644
--- a/config/intellij-idea-inspections.xml
+++ b/config/intellij-idea-inspections.xml
@@ -484,7 +484,7 @@
     <inspection_tool class="DataProviderReturnType" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="DateToString" enabled="true" level="ERROR" enabled_by_default="true" />
     <inspection_tool class="DebuggerStatementJS" enabled="true" level="ERROR" enabled_by_default="true" />
-    <inspection_tool class="DeclareCollectionAsInterface" enabled="true" level="ERROR" enabled_by_default="true">
+    <inspection_tool class="DeclareCollectionAsInterface" enabled="false" level="ERROR" enabled_by_default="false">
         <option name="ignoreLocalVariables" value="false" />
         <option name="ignorePrivateMethodsAndFields" value="false" />
     </inspection_tool>
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/PropertiesExpander.java b/src/main/java/com/puppycrawl/tools/checkstyle/PropertiesExpander.java
index 97be99b92..13b41569b 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/PropertiesExpander.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/PropertiesExpander.java
@@ -38,7 +38,6 @@ public final class PropertiesExpander
      *     property resolution.
      * @throws IllegalArgumentException indicates null was passed
      */
-    @SuppressWarnings("CollectionDeclaredAsConcreteClass")
     public PropertiesExpander(Properties properties) {
         if (properties == null) {
             throw new IllegalArgumentException("cannot pass null");