diff --git a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesLockedCellRenderer.java b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesLockedCellRenderer.java
index 093afe4311665ebbb3fe8698bd776838d4719e9d..7270d37a60f0c1ec4feb09f6966f51d9b1e4fd25 100644
--- a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesLockedCellRenderer.java
+++ b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesLockedCellRenderer.java
@@ -7,9 +7,7 @@ import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
 import org.olat.core.gui.util.CSSHelper;
-import org.olat.core.util.Formatter;
 import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class LargeFilesLockedCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesNameCellRenderer.java b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesNameCellRenderer.java
index 23dfe44c663c106965ef61ee1a7a43f6c49f3321..547f5934a993b3fee30b673370b36fe13cff2a18 100644
--- a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesNameCellRenderer.java
+++ b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesNameCellRenderer.java
@@ -8,7 +8,6 @@ import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
 import org.olat.core.gui.util.CSSHelper;
 import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class LargeFilesNameCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesRevisionCellRenderer.java b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesRevisionCellRenderer.java
index 528c02fbaedea8f1a473fd112a394de6f9242825..967541f0070be8ff9471168ba3ccc190cfda592d 100644
--- a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesRevisionCellRenderer.java
+++ b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesRevisionCellRenderer.java
@@ -7,9 +7,7 @@ import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
 import org.olat.core.gui.util.CSSHelper;
-import org.olat.core.util.Formatter;
 import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class LargeFilesRevisionCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesSizeCellRenderer.java b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesSizeCellRenderer.java
index a550f31019e61da43ce683e29eed3c42c3bd73c2..e4575e17c18b5d5b79cd9f375150231d95127ca0 100644
--- a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesSizeCellRenderer.java
+++ b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesSizeCellRenderer.java
@@ -9,7 +9,6 @@ import org.olat.core.gui.translator.Translator;
 import org.olat.core.gui.util.CSSHelper;
 import org.olat.core.util.Formatter;
 import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class LargeFilesSizeCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesTrashedCellRenderer.java b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesTrashedCellRenderer.java
index 84c435158968a4c79c7109c246998c4462245cba..2558a98519eff9cd5a0ece097f642b40c7a34747 100644
--- a/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesTrashedCellRenderer.java
+++ b/src/main/java/org/olat/admin/sysinfo/gui/LargeFilesTrashedCellRenderer.java
@@ -7,9 +7,7 @@ import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
 import org.olat.core.gui.util.CSSHelper;
-import org.olat.core.util.Formatter;
 import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class LargeFilesTrashedCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/core/commons/services/vfs/manager/VFSStatsDAO.java b/src/main/java/org/olat/core/commons/services/vfs/manager/VFSStatsDAO.java
index 75ddfde19161f8879de092626738b57c41731860..0f38d7ffbe4e5ddb548d7f156caf4a2ae00a037f 100644
--- a/src/main/java/org/olat/core/commons/services/vfs/manager/VFSStatsDAO.java
+++ b/src/main/java/org/olat/core/commons/services/vfs/manager/VFSStatsDAO.java
@@ -3,8 +3,6 @@ package org.olat.core.commons.services.vfs.manager;
 import java.util.List;
 
 import org.olat.core.commons.persistence.DB;
-import org.olat.core.commons.services.vfs.VFSMetadata;
-import org.olat.core.commons.services.vfs.VFSStats;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
diff --git a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewAmountCellRenderer.java b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewAmountCellRenderer.java
index d5b6926887683da750f6a56e48bfd6ab9964c230..3b92ebe298a8dd9b5156fa77716bee809edb48c9 100644
--- a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewAmountCellRenderer.java
+++ b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewAmountCellRenderer.java
@@ -6,10 +6,7 @@ import org.olat.core.gui.render.Renderer;
 import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
-import org.olat.core.gui.util.CSSHelper;
 import org.olat.core.util.Formatter;
-import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class VFSOverviewAmountCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterAmountCellRenderer.java b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterAmountCellRenderer.java
index fcb273a53e9cf209a33342ed05690d3bea38d197..a751fb0793c88229e5b4b7ff257dada1ff347ddf 100644
--- a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterAmountCellRenderer.java
+++ b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterAmountCellRenderer.java
@@ -6,10 +6,7 @@ import org.olat.core.gui.render.Renderer;
 import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
-import org.olat.core.gui.util.CSSHelper;
 import org.olat.core.util.Formatter;
-import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class VFSOverviewFooterAmountCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterNameCellRenderer.java b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterNameCellRenderer.java
index e42bd41915e24e1866c93bf409249e6be062b48e..badccf9af94035834c2b6797a44253bd59d73793 100644
--- a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterNameCellRenderer.java
+++ b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterNameCellRenderer.java
@@ -7,9 +7,6 @@ import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
 import org.olat.core.gui.util.CSSHelper;
-import org.olat.core.util.Formatter;
-import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class VFSOverviewFooterNameCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterSizeCellRenderer.java b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterSizeCellRenderer.java
index 4e0734bf744a12e79214fc28be40ff95b8018244..2db8572011a303f2997c342e5239bcdb3c3cb028 100644
--- a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterSizeCellRenderer.java
+++ b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewFooterSizeCellRenderer.java
@@ -6,10 +6,7 @@ import org.olat.core.gui.render.Renderer;
 import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
-import org.olat.core.gui.util.CSSHelper;
 import org.olat.core.util.Formatter;
-import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class VFSOverviewFooterSizeCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewSizeCellRenderer.java b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewSizeCellRenderer.java
index b5a2ac8f51f66c4f4971b63c8b453e528133f063..96cb5d55ceadbdfb322b3b4b28bfb00337bfb5e7 100644
--- a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewSizeCellRenderer.java
+++ b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewSizeCellRenderer.java
@@ -6,10 +6,7 @@ import org.olat.core.gui.render.Renderer;
 import org.olat.core.gui.render.StringOutput;
 import org.olat.core.gui.render.URLBuilder;
 import org.olat.core.gui.translator.Translator;
-import org.olat.core.gui.util.CSSHelper;
 import org.olat.core.util.Formatter;
-import org.olat.core.util.StringHelper;
-import org.olat.modules.adobeconnect.model.AdobeConnectSco;
 
 public class VFSOverviewSizeCellRenderer implements FlexiCellRenderer{
 	@Override
diff --git a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewTableContentRow.java b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewTableContentRow.java
index cea8a226ead407fec3e34fe0f9194a36c596e6b8..b8e7efa0cd17cd2976ea4407bbfe4492c6759591 100644
--- a/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewTableContentRow.java
+++ b/src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewTableContentRow.java
@@ -1,7 +1,6 @@
 package org.olat.core.commons.services.vfs.ui.management;
 
 import org.olat.core.gui.components.form.flexible.elements.FormLink;
-import org.olat.core.gui.components.link.Link;
 
 public class VFSOverviewTableContentRow {
 	private final String name;