diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -91,7 +91,6 @@
     KF5::WidgetsAddons
     KF5::KIOWidgets
     KF5::ConfigWidgets
-    KF5::IconThemes
     Grantlee5::TextDocument
     KF5::XmlGui
     KF5::I18n
diff --git a/src/texteditor/commonwidget/textmessageindicator.cpp b/src/texteditor/commonwidget/textmessageindicator.cpp
--- a/src/texteditor/commonwidget/textmessageindicator.cpp
+++ b/src/texteditor/commonwidget/textmessageindicator.cpp
@@ -19,13 +19,12 @@
 
 #include "textmessageindicator.h"
 
-#include <KIconLoader>
-
 #include <QAbstractScrollArea>
 #include <QPainter>
 #include <QTimer>
 #include <QResizeEvent>
 #include <QApplication>
+#include <QStyle>
 
 using namespace KPIMTextEdit;
 TextMessageIndicator::TextMessageIndicator(QWidget *parent)
@@ -56,16 +55,17 @@
     mLineSpacing = 0;
     // load icon (if set)
     mSymbol = QPixmap();
+    const auto iconSize = style()->pixelMetric(QStyle::PM_SmallIconSize);
     if (icon != None) {
         switch (icon) {
         case Error:
-            mSymbol = SmallIcon(QStringLiteral("dialog-error"));
+            mSymbol = QIcon::fromTheme(QStringLiteral("dialog-error")).pixmap(iconSize);
             break;
         case Warning:
-            mSymbol = SmallIcon(QStringLiteral("dialog-warning"));
+            mSymbol = QIcon::fromTheme(QStringLiteral("dialog-warning")).pixmap(iconSize);
             break;
         default:
-            mSymbol = SmallIcon(QStringLiteral("dialog-information"));
+            mSymbol = QIcon::fromTheme(QStringLiteral("dialog-information")).pixmap(iconSize);
             break;
         }
     }
diff --git a/src/texteditor/plaintexteditor/plaintexteditor.cpp b/src/texteditor/plaintexteditor/plaintexteditor.cpp
--- a/src/texteditor/plaintexteditor/plaintexteditor.cpp
+++ b/src/texteditor/plaintexteditor/plaintexteditor.cpp
@@ -22,7 +22,6 @@
 #include "texteditor/commonwidget/textmessageindicator.h"
 #include <KIO/KUriFilterSearchProviderActions>
 #include <KLocalizedString>
-#include <KIconTheme>
 #include <KStandardGuiItem>
 #include <KStandardAction>
 #include <KCursor>
@@ -139,9 +138,6 @@
                 }
             }
         }
-        KIconTheme::assignIconsToContextMenu(isReadOnly() ? KIconTheme::ReadOnlyText
-                                             : KIconTheme::TextEditor,
-                                             popup->actions());
         if (d->supportFeatures & Search) {
             popup->addSeparator();
             if (!emptyDocument) {
diff --git a/src/texteditor/richtexteditor/richtexteditor.cpp b/src/texteditor/richtexteditor/richtexteditor.cpp
--- a/src/texteditor/richtexteditor/richtexteditor.cpp
+++ b/src/texteditor/richtexteditor/richtexteditor.cpp
@@ -26,7 +26,6 @@
 #include <KCursor>
 #include <KConfigGroup>
 #include <QIcon>
-#include <KIconTheme>
 #include <KConfig>
 #include <KStandardGuiItem>
 #include <KSharedConfig>
@@ -172,9 +171,6 @@
                 popup->insertAction(separatorAction, clearAllAction);
             }
         }
-        KIconTheme::assignIconsToContextMenu(isReadOnly() ? KIconTheme::ReadOnlyText
-                                             : KIconTheme::TextEditor,
-                                             popup->actions());
         if (searchSupport()) {
             popup->addSeparator();
             QAction *findAct = popup->addAction(KStandardGuiItem::find().icon(), KStandardGuiItem::find().text(), this, &RichTextEditor::findText, Qt::Key_F + Qt::CTRL);