diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java
index 1e6404999823..a4b46404e8ba 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java
@@ -64,7 +64,7 @@ public class MavenProjectsTree {
   private volatile List<String> myIgnoredFilesPatterns = new ArrayList<String>();
   private volatile Pattern myIgnoredFilesPatternsCache;
 
-  private volatile Set<String> myExplicitProfiles = new THashSet<String>();
+  private Set<String> myExplicitProfiles = new THashSet<String>();
   private final Set<String> myTemporarilyRemovedExplicitProfiles = new THashSet<String>();
 
   private final List<MavenProject> myRootProjects = new ArrayList<MavenProject>();