diff --git a/clients/aurorae/src/lib/auroraetheme.cpp b/clients/aurorae/src/lib/auroraetheme.cpp
index 83431cadc3..910305f840 100644
--- a/clients/aurorae/src/lib/auroraetheme.cpp
+++ b/clients/aurorae/src/lib/auroraetheme.cpp
@@ -45,16 +45,16 @@ public:
     Aurorae::ThemeConfig themeConfig;
     QHash< AuroraeButtonType, QString > pathes;
     bool activeCompositing;
-    KDecorationDefines::BorderSize borderSize;
-    KDecorationDefines::BorderSize buttonSize;
+    AuroraeTheme::BorderSize borderSize;
+    AuroraeTheme::BorderSize buttonSize;
     QString dragMimeType;
     QString decorationPath;
 };
 
 AuroraeThemePrivate::AuroraeThemePrivate()
     :activeCompositing(true)
-    , borderSize(KDecoration::BorderNormal)
-    , buttonSize(KDecoration::BorderNormal)
+    , borderSize(AuroraeTheme::BorderNormal)
+    , buttonSize(AuroraeTheme::BorderNormal)
 {
 }
 
@@ -106,8 +106,8 @@ void AuroraeTheme::loadTheme(const QString &name)
                    KConfig::FullConfig, QStandardPaths::GenericDataLocation);
     KConfigGroup themeGroup(&conf, name);
     loadTheme(name, config);
-    setBorderSize((KDecorationDefines::BorderSize)themeGroup.readEntry<int>("BorderSize", KDecorationDefines::BorderNormal));
-    setButtonSize((KDecorationDefines::BorderSize)themeGroup.readEntry<int>("ButtonSize", KDecorationDefines::BorderNormal));
+    setBorderSize((BorderSize)themeGroup.readEntry<int>("BorderSize", BorderNormal));
+    setButtonSize((BorderSize)themeGroup.readEntry<int>("ButtonSize", BorderNormal));
 }
 
 void AuroraeTheme::loadTheme(const QString &name, const KConfig &config)
@@ -211,7 +211,7 @@ void AuroraeTheme::borders(int& left, int& top, int& right, int& bottom, bool ma
         }
     } else {
         switch (d->borderSize) {
-        case KDecoration::BorderTiny:
+        case BorderTiny:
             // TODO: this looks wrong
             if (isCompositingActive()) {
                 left = qMin(0, (int)left - d->themeConfig.borderLeft() - d->themeConfig.paddingLeft());
@@ -223,22 +223,22 @@ void AuroraeTheme::borders(int& left, int& top, int& right, int& bottom, bool ma
                 bottom = qMin(0, (int)bottom - d->themeConfig.borderBottom());
             }
             break;
-        case KDecoration::BorderLarge:
+        case BorderLarge:
             left = right = bottom = top = 4;
             break;
-        case KDecoration::BorderVeryLarge:
+        case BorderVeryLarge:
             left = right = bottom = top = 8;
             break;
-        case KDecoration::BorderHuge:
+        case BorderHuge:
             left = right = bottom = top = 12;
             break;
-        case KDecoration::BorderVeryHuge:
+        case BorderVeryHuge:
             left = right = bottom = top = 23;
             break;
-        case KDecoration::BorderOversized:
+        case BorderOversized:
             left = right = bottom = top = 36;
             break;
-        case KDecoration::BorderNormal:
+        case BorderNormal:
         default:
             left = right = bottom = top = 0;
         }
@@ -450,7 +450,7 @@ void AuroraeTheme::setCompositingActive(bool active)
     d->activeCompositing = active;
 }
 
-void AuroraeTheme::setBorderSize(KDecorationDefines::BorderSize size)
+void AuroraeTheme::setBorderSize(BorderSize size)
 {
     if (d->borderSize == size) {
         return;
@@ -459,7 +459,7 @@ void AuroraeTheme::setBorderSize(KDecorationDefines::BorderSize size)
     emit borderSizesChanged();
 }
 
-void AuroraeTheme::setButtonSize(KDecorationDefines::BorderSize size)
+void AuroraeTheme::setButtonSize(BorderSize size)
 {
     if (d->buttonSize == size) {
         return;
@@ -481,19 +481,19 @@ const QString &AuroraeTheme::tabDragMimeType() const
 qreal AuroraeTheme::buttonSizeFactor() const
 {
     switch (d->buttonSize) {
-    case KDecorationDefines::BorderTiny:
+    case BorderTiny:
         return 0.8;
-    case KDecorationDefines::BorderLarge:
+    case BorderLarge:
         return 1.2;
-    case KDecorationDefines::BorderVeryLarge:
+    case BorderVeryLarge:
         return 1.4;
-    case KDecorationDefines::BorderHuge:
+    case BorderHuge:
         return 1.6;
-    case KDecorationDefines::BorderVeryHuge:
+    case BorderVeryHuge:
         return 1.8;
-    case KDecorationDefines::BorderOversized:
+    case BorderOversized:
         return 2.0;
-    case KDecorationDefines::BorderNormal: // fall through
+    case BorderNormal: // fall through
     default:
         return 1.0;
     }
diff --git a/clients/aurorae/src/lib/auroraetheme.h b/clients/aurorae/src/lib/auroraetheme.h
index a31de951d0..573b8bf598 100644
--- a/clients/aurorae/src/lib/auroraetheme.h
+++ b/clients/aurorae/src/lib/auroraetheme.h
@@ -24,7 +24,6 @@
 // #include "libaurorae_export.h"
 
 #include <QObject>
-#include <kdecoration.h>
 
 #include <QLoggingCategory>
 
@@ -114,6 +113,18 @@ class /*LIBAURORAE_EXPORT*/ AuroraeTheme : public QObject
     Q_PROPERTY(Qt::Alignment horizontalAlignment READ alignment NOTIFY themeChanged)
     Q_PROPERTY(Qt::Alignment verticalAlignment READ verticalAlignment NOTIFY themeChanged)
 public:
+    enum BorderSize {
+        BorderTiny,      ///< Minimal borders
+        BorderNormal,    ///< Standard size borders, the default setting
+        BorderLarge,     ///< Larger borders
+        BorderVeryLarge, ///< Very large borders
+        BorderHuge,      ///< Huge borders
+        BorderVeryHuge,  ///< Very huge borders
+        BorderOversized, ///< Oversized borders
+        BorderNoSides,   ///< No borders on sides @since 4.11
+        BorderNone,      ///< No borders except title @since 4.11
+        BordersCount     ///< @internal
+    };
     explicit AuroraeTheme(QObject* parent = nullptr);
     virtual ~AuroraeTheme();
     // TODO: KSharedConfigPtr
@@ -183,13 +194,13 @@ public:
     * @returns true if the theme contains a FrameSvg for specified button.
     */
     bool hasButton(AuroraeButtonType button) const;
-    void setBorderSize(KDecorationDefines::BorderSize size);
+    void setBorderSize(BorderSize size);
     /**
     * Sets the size of the buttons.
     * The available sizes are identical to border sizes, therefore BorderSize is used.
     * @param size The buttons size
     */
-    void setButtonSize(KDecorationDefines::BorderSize size);
+    void setButtonSize(BorderSize size);
     qreal buttonSizeFactor() const;
 
     DecorationPosition decorationPosition() const;
diff --git a/clients/aurorae/src/lib/themeconfig.cpp b/clients/aurorae/src/lib/themeconfig.cpp
index 8a7e699f63..bd0f4dd425 100644
--- a/clients/aurorae/src/lib/themeconfig.cpp
+++ b/clients/aurorae/src/lib/themeconfig.cpp
@@ -15,7 +15,6 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *********************************************************************/
 #include "themeconfig.h"
-#include <kdecoration.h>
 
 #include <KConfig>
 #include <KConfigGroup>