diff --git a/tools/release/Bootstrap/Step/Repack.pm b/tools/release/Bootstrap/Step/Repack.pm
index 9623775536a9..3be2cba3c762 100644
--- a/tools/release/Bootstrap/Step/Repack.pm
+++ b/tools/release/Bootstrap/Step/Repack.pm
@@ -78,9 +78,6 @@ sub Verify {
     # l10n metadiff test
 
     my $verifyDirVersion = catfile($verifyDir, $product . '-' . $version);
-    if (-e $verifyDirVersion) {
-        die "ASSERT: Repack::Verify(): $verifyDirVersion already exists?";
-    }
 
     MkdirWithPath(dir => $verifyDirVersion)
       or die("Cannot mkdir $verifyDirVersion: $!");
diff --git a/tools/release/Bootstrap/Step/Updates.pm b/tools/release/Bootstrap/Step/Updates.pm
index e5bfede7daf0..2450615588aa 100644
--- a/tools/release/Bootstrap/Step/Updates.pm
+++ b/tools/release/Bootstrap/Step/Updates.pm
@@ -137,11 +137,6 @@ sub Verify {
 
     # Create verification area.
     my $verifyDirVersion = catfile($verifyDir, $product . '-' . $version);
-
-    if (-e $verifyDirVersion) {
-        die "ASSERT: Updates::Verify(): $verifyDirVersion already exists?";
-    }
-
     MkdirWithPath(dir => $verifyDirVersion) 
       or die("Could not mkdir $verifyDirVersion: $!");