diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/profile/DefaultProfileActivationContext.java b/maven-model-builder/src/main/java/org/apache/maven/model/profile/DefaultProfileActivationContext.java
index b4bd84e9d116..0e0a41ee1c38 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/profile/DefaultProfileActivationContext.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/profile/DefaultProfileActivationContext.java
@@ -25,6 +25,8 @@
 import java.util.Properties;
 import java.util.stream.Collectors;
 
+import static java.util.stream.Collectors.toMap;
+
 /**
  * Describes the environmental context used to determine the activation status of profiles.
  *