diff --git a/lib/FusionInventory/Agent/Task/Inventory/Input/Generic/USB.pm b/lib/FusionInventory/Agent/Task/Inventory/Input/Generic/USB.pm
index 0a17043d39..94135eb8d5 100644
--- a/lib/FusionInventory/Agent/Task/Inventory/Input/Generic/USB.pm
+++ b/lib/FusionInventory/Agent/Task/Inventory/Input/Generic/USB.pm
@@ -16,6 +16,19 @@ sub doInventory {
     my $inventory = $params{inventory};
 
     foreach my $device (_getDevices(logger => $params{logger})) {
+        $inventory->addEntry(
+            section => 'USBDEVICES',
+            entry   => $device,
+        );
+    }
+}
+
+sub _getDevices {
+    my (%params) = @_;
+
+    my @devices;
+
+    foreach my $device (_getDevicesFromLsusb(%params)) {
         next unless $device->{PRODUCTID};
         next unless $device->{VENDORID};
 
@@ -40,14 +53,13 @@ sub doInventory {
             }
         }
 
-        $inventory->addEntry(
-            section => 'USBDEVICES',
-            entry   => $device,
-        );
+        push @devices, $device;
     }
+
+    return @devices;
 }
 
-sub _getDevices {
+sub _getDevicesFromLsusb {
     my $handle = getFileHandle(
         @_,
         command => 'lsusb -v',
diff --git a/lib/FusionInventory/Agent/Task/Inventory/Input/Win32/USB.pm b/lib/FusionInventory/Agent/Task/Inventory/Input/Win32/USB.pm
index 8df4f03421..7f16f8d095 100644
--- a/lib/FusionInventory/Agent/Task/Inventory/Input/Win32/USB.pm
+++ b/lib/FusionInventory/Agent/Task/Inventory/Input/Win32/USB.pm
@@ -23,31 +23,41 @@ sub doInventory {
 }
 
 sub _getDevices {
+    my (%params) = @_;
+
     my @devices;
     my $seen;
 
+    foreach my $device (_getDevicesFromWMI(%params)) {
+        next if $device->{VENDORID} =~ /^0+$/;
+
+        # avoid duplicates
+        next if $seen->{$device->{SERIAL}}++;
+
+        # pseudo serial generated by windows
+        delete $device->{SERIAL} if $device->{SERIAL} =~ /&/;
+
+        push @devices, $device;
+    }
+
+    return @devices;
+}
+
+sub _getDevicesFromWMI {
+    my @devices;
+
     foreach my $object (getWMIObjects(
         class      => 'CIM_LogicalDevice',
         properties => [ qw/DeviceID Name/ ]
     )) {
         next unless $object->{DeviceID} =~ /^USB\\VID_(\w+)&PID_(\w+)\\(.*)/;
 
-        my $device = {
+        push @devices, {
             NAME      => $object->{Name},
             VENDORID  => $1,
             PRODUCTID => $2,
             SERIAL    => $3
         };
-
-        next if $device->{VENDORID} =~ /^0+$/;
-
-        # avoid duplicates
-        next if $seen->{$device->{SERIAL}}++;
-
-        # pseudo serial generated by windows
-        delete $device->{SERIAL} if $device->{SERIAL} =~ /&/;
-
-        push @devices, $device;
     }
 
     return @devices;
diff --git a/t/inventory/generic/usb.t b/t/inventory/generic/usb.t
index 1265f32957..661560d81f 100755
--- a/t/inventory/generic/usb.t
+++ b/t/inventory/generic/usb.t
@@ -9,13 +9,6 @@ use FusionInventory::Agent::Task::Inventory::Input::Generic::USB;
 
 my %tests = (
     'dell-xt2' => [
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0001'
-        },
         {
             VENDORID  => '0a5c',
             SUBCLASS  => '0',
@@ -40,20 +33,6 @@ my %tests = (
             CLASS     => '254',
             PRODUCTID => '8160'
         },
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0001'
-        },
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0001'
-        },
         {
             VENDORID  => '0a5c',
             SERIAL    => '0123456789ABCD',
@@ -61,52 +40,11 @@ my %tests = (
             CLASS     => '254',
             PRODUCTID => '5801'
         },
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0001'
-        },
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0001'
-        },
-        {
-            VENDORID  => '1b96',
-            SUBCLASS  => '0',
-            CLASS     => '0',
-            PRODUCTID => '0001'
-        },
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0001'
-        },
         {
             VENDORID  => '047d',
             SUBCLASS  => '1',
             CLASS     => '3',
             PRODUCTID => '101f'
-        },
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0002'
-        },
-        {
-            VENDORID  => '1d6b',
-            SERIAL    => '0000',
-            SUBCLASS  => '0',
-            CLASS     => '9',
-            PRODUCTID => '0002'
         }
     ]
 );