diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,7 +39,6 @@
 find_package(KF5ConfigWidgets ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5CoreAddons ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5I18n ${KF5_MIN_VERSION} CONFIG REQUIRED)
-find_package(KF5IconThemes ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5ItemViews ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5JobWidgets ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5KCMUtils ${KF5_MIN_VERSION} CONFIG REQUIRED)
diff --git a/src/libkdepim/CMakeLists.txt b/src/libkdepim/CMakeLists.txt
--- a/src/libkdepim/CMakeLists.txt
+++ b/src/libkdepim/CMakeLists.txt
@@ -92,7 +92,6 @@
     KF5::I18n
     KF5::KCMUtils
     KF5::Wallet
-    KF5::IconThemes
     KF5::KIOCore
     KF5::KIOWidgets
     )
@@ -250,7 +249,7 @@
 add_library(kcm_ldap MODULE ${kcm_ldap_SRCS})
 
 
-target_link_libraries(kcm_ldap KF5::Libkdepim KF5::IconThemes KF5::KCMUtils KF5::I18n KF5::Ldap Qt5::Core)
+target_link_libraries(kcm_ldap KF5::Libkdepim KF5::KCMUtils KF5::I18n KF5::Ldap Qt5::Core)
 
 kcoreaddons_desktop_to_json(kcm_ldap ldap/kcmldap.desktop DEFAULT_SERVICE_TYPE)
 
diff --git a/src/libkdepim/ldap/ldapconfigurewidget.cpp b/src/libkdepim/ldap/ldapconfigurewidget.cpp
--- a/src/libkdepim/ldap/ldapconfigurewidget.cpp
+++ b/src/libkdepim/ldap/ldapconfigurewidget.cpp
@@ -30,7 +30,6 @@
 #include <kconfiggroup.h>
 #include <QDialogButtonBox>
 #include <QHBoxLayout>
-#include <kiconloader.h>
 #include <KLocalizedString>
 #include <KMessageBox>
 
@@ -324,13 +323,11 @@
     mUpButton = new QToolButton(upDownBox);
     upDownBoxVBoxLayout->addWidget(mUpButton);
     mUpButton->setIcon(QIcon::fromTheme(QStringLiteral("go-up")));
-    mUpButton->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
     mUpButton->setEnabled(false);   // b/c no item is selected yet
 
     mDownButton = new QToolButton(upDownBox);
     upDownBoxVBoxLayout->addWidget(mDownButton);
     mDownButton->setIcon(QIcon::fromTheme(QStringLiteral("go-down")));
-    mDownButton->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
     mDownButton->setEnabled(false);   // b/c no item is selected yet
 
     QWidget *spacer = new QWidget(upDownBox);
diff --git a/src/libkdepim/progresswidget/ssllabel.cpp b/src/libkdepim/progresswidget/ssllabel.cpp
--- a/src/libkdepim/progresswidget/ssllabel.cpp
+++ b/src/libkdepim/progresswidget/ssllabel.cpp
@@ -33,10 +33,10 @@
 #include "ssllabel.h"
 
 #include <KLocalizedString>
-#include <KIconLoader>
 
 #include <QLabel>
 #include <QIcon>
+#include <QStyle>
 
 using namespace KPIM;
 
@@ -61,12 +61,12 @@
     switch (state) {
     case Encrypted:
         setToolTip(i18n("Connection is encrypted"));
-        setPixmap(QIcon::fromTheme(QStringLiteral("security-high")).pixmap(IconSize(KIconLoader::Small)));
+        setPixmap(QIcon::fromTheme(QStringLiteral("security-high")).pixmap(style()->pixelMetric(QStyle::PM_SmallIconSize)));
         show();
         break;
     case Unencrypted:
         setToolTip(i18n("Connection is unencrypted"));
-        setPixmap(QIcon::fromTheme(QStringLiteral("security-low")).pixmap(IconSize(KIconLoader::Small)));
+        setPixmap(QIcon::fromTheme(QStringLiteral("security-low")).pixmap(style()->pixelMetric(QStyle::PM_SmallIconSize)));
         show();
         break;
     case Unknown: