diff --git a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/deployer/DefaultArtifactDeployer.java b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/deployer/DefaultArtifactDeployer.java
index a911d92746..0c1d93d264 100644
--- a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/deployer/DefaultArtifactDeployer.java
+++ b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/deployer/DefaultArtifactDeployer.java
@@ -76,6 +76,7 @@ public class DefaultArtifactDeployer
                 ArtifactMetadata metadata = (ArtifactMetadata) i.next();
                 repositoryMetadataManager.deploy( metadata, localRepository, deploymentRepository );
             }
+            artifact.getMetadataList().clear();
         }
         catch ( TransferFailedException e )
         {
diff --git a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/installer/DefaultArtifactInstaller.java b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/installer/DefaultArtifactInstaller.java
index 69a69a48ae..af0ed63e6c 100644
--- a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/installer/DefaultArtifactInstaller.java
+++ b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/installer/DefaultArtifactInstaller.java
@@ -75,6 +75,7 @@ public class DefaultArtifactInstaller
                 ArtifactMetadata metadata = (ArtifactMetadata) i.next();
                 repositoryMetadataManager.install( metadata, localRepository );
             }
+            artifact.getMetadataList().clear();
         }
         catch ( IOException e )
         {