diff --git a/common/modules/addons.jsm b/common/modules/addons.jsm
index 3e3176d0..4deb144e 100644
--- a/common/modules/addons.jsm
+++ b/common/modules/addons.jsm
@@ -152,11 +152,11 @@ var Addon = Class("Addon", {
                 <td highlight="AddonVersion" key="version"/>
                 <td highlight="AddonStatus" key="status"/>
                 <td highlight="AddonButtons Buttons">
-                    <a highlight="Button" key="enable">{_("addon.action.On")}</a>
-                    <a highlight="Button" key="disable">{_("addon.action.Off")}</a>
-                    <a highlight="Button" key="delete">{_("addon.action.Delete")}</a>
-                    <a highlight="Button" key="update">{_("addon.action.Update")}</a>
-                    <a highlight="Button" key="options">{_("addon.action.Options")}</a>
+                    <a highlight="Button" href="javascript:0" key="enable">{_("addon.action.On")}</a>
+                    <a highlight="Button" href="javascript:0" key="disable">{_("addon.action.Off")}</a>
+                    <a highlight="Button" href="javascript:0" key="delete">{_("addon.action.Delete")}</a>
+                    <a highlight="Button" href="javascript:0" key="update">{_("addon.action.Update")}</a>
+                    <a highlight="Button" href="javascript:0" key="options">{_("addon.action.Options")}</a>
                 </td>
                 <td highlight="AddonDescription" key="description"/>
             </tr>,
diff --git a/common/modules/downloads.jsm b/common/modules/downloads.jsm
index 7a9c0c70..aadf3cab 100644
--- a/common/modules/downloads.jsm
+++ b/common/modules/downloads.jsm
@@ -39,12 +39,12 @@ var Download = Class("Download", {
                 </td>
                 <td highlight="DownloadState" key="state"/>
                 <td highlight="DownloadButtons Buttons">
-                    <a highlight="Button" key="pause">{_("download.action.Pause")}</a>
-                    <a highlight="Button" key="remove">{_("download.action.Remove")}</a>
-                    <a highlight="Button" key="resume">{_("download.action.Resume")}</a>
-                    <a highlight="Button" key="retry">{_("download.action.Retry")}</a>
-                    <a highlight="Button" key="cancel">{_("download.action.Cancel")}</a>
-                    <a highlight="Button" key="delete">{_("download.action.Delete")}</a>
+                    <a highlight="Button" href="javascript:0" key="pause">{_("download.action.Pause")}</a>
+                    <a highlight="Button" href="javascript:0" key="remove">{_("download.action.Remove")}</a>
+                    <a highlight="Button" href="javascript:0" key="resume">{_("download.action.Resume")}</a>
+                    <a highlight="Button" href="javascript:0" key="retry">{_("download.action.Retry")}</a>
+                    <a highlight="Button" href="javascript:0" key="cancel">{_("download.action.Cancel")}</a>
+                    <a highlight="Button" href="javascript:0" key="delete">{_("download.action.Delete")}</a>
                 </td>
                 <td highlight="DownloadProgress" key="progress">
                     <span highlight="DownloadProgressHave" key="progressHave"