diff --git a/YACReader/bookmarks_dialog.cpp b/YACReader/bookmarks_dialog.cpp
index aebfd574..ec843e87 100644
--- a/YACReader/bookmarks_dialog.cpp
+++ b/YACReader/bookmarks_dialog.cpp
@@ -133,7 +133,7 @@ bool BookmarksDialog::eventFilter(QObject *obj, QEvent *event)
 {
     if (event->type() == QEvent::MouseButtonPress) {
         if (obj == images.at(0)) {
-            emit(goToPage(lastPage));
+            emit goToPage(lastPage);
             close();
             event->accept();
         }
@@ -142,7 +142,7 @@ bool BookmarksDialog::eventFilter(QObject *obj, QEvent *event)
                 bool b;
                 int page = pages.at(i)->text().toInt(&b) - 1;
                 if (b) {
-                    emit(goToPage(page));
+                    emit goToPage(page);
                     close();
                 }
                 event->accept();
diff --git a/YACReader/goto_dialog.cpp b/YACReader/goto_dialog.cpp
index 749dd17a..ea783fb7 100644
--- a/YACReader/goto_dialog.cpp
+++ b/YACReader/goto_dialog.cpp
@@ -61,7 +61,7 @@ void GoToDialog::goTo()
 {
     unsigned int page = pageNumber->text().toInt();
     if (page >= 1 && page <= v->top()) {
-        emit(goToPage(page - 1));
+        emit goToPage(page - 1);
         close();
     }
 }
diff --git a/YACReader/goto_flow_toolbar.cpp b/YACReader/goto_flow_toolbar.cpp
index 183f7dc9..cc7bec73 100644
--- a/YACReader/goto_flow_toolbar.cpp
+++ b/YACReader/goto_flow_toolbar.cpp
@@ -112,14 +112,14 @@ void GoToFlowToolBar::goTo()
 {
     unsigned int page = edit->text().toInt();
     if (page >= 1 && page <= v->top()) {
-        emit(goToPage(page - 1));
+        emit goToPage(page - 1);
     }
 }
 
 void GoToFlowToolBar::centerSlide()
 {
     if (edit->text().toInt() != 0)
-        emit(setCenter(edit->text().toInt() - 1));
+        emit setCenter(edit->text().toInt() - 1);
 }
 
 void GoToFlowToolBar::updateOptions()
diff --git a/YACReader/options_dialog.cpp b/YACReader/options_dialog.cpp
index 8ba99c40..16f06509 100644
--- a/YACReader/options_dialog.cpp
+++ b/YACReader/options_dialog.cpp
@@ -140,7 +140,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     connect(scaleCheckbox, &QCheckBox::clicked,
             [=](bool checked) {
                 Configuration::getConfiguration().setEnlargeImages(checked);
-                emit(changedImageOptions());
+                emit changedImageOptions();
             });
 
     scaleLayout->addWidget(scaleCheckbox);
@@ -153,7 +153,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     connect(coverSPCheckBox, &QCheckBox::clicked,
             [=](bool checked) {
                 settings->setValue(COVER_IS_SP, checked);
-                emit(changedImageOptions());
+                emit changedImageOptions();
             });
 
     doublePageBoxLayout->addWidget(coverSPCheckBox);
@@ -262,7 +262,7 @@ void OptionsDialog::updateColor(const QColor &color)
 
     settings->setValue(BACKGROUND_COLOR, color);
 
-    emit(changedOptions());
+    emit changedOptions();
 }
 
 void OptionsDialog::brightnessChanged(int value)
diff --git a/YACReader/translator.cpp b/YACReader/translator.cpp
index f35ddfc0..53217400 100644
--- a/YACReader/translator.cpp
+++ b/YACReader/translator.cpp
@@ -368,11 +368,11 @@ void TranslationLoader::run()
             utf8 = utf8.remove(utf8.count() - 1, 1);
 
             QString translated(utf8);
-            emit(requestFinished(translated));
+            emit requestFinished(translated);
         } else
-            emit(error());
+            emit error();
     } else {
-        emit(timeOut());
+        emit timeOut();
     }
 }
 
@@ -411,10 +411,10 @@ void TextToSpeachLoader::run()
             utf8 = utf8.remove(utf8.count() - 1, 1);
             utf8 = utf8.replace("\\", "");
 
-            emit(requestFinished(QUrl(utf8)));
+            emit requestFinished(QUrl(utf8));
         } else
-            emit(error());
+            emit error();
     } else {
-        emit(timeOut());
+        emit timeOut();
     }
 }
diff --git a/YACReader/viewer.cpp b/YACReader/viewer.cpp
index 8e4a743e..20a35764 100644
--- a/YACReader/viewer.cpp
+++ b/YACReader/viewer.cpp
@@ -318,7 +318,7 @@ void Viewer::updatePage()
     if (currentPage->isNull())
         setPageUnavailableMessage();
     else
-        emit(pageAvailable(true));
+        emit pageAvailable(true);
 
     emit backgroundChanges();
 
@@ -955,7 +955,7 @@ void Viewer::setLoadingMessage()
         hideMagnifyingGlass();
         restoreMagnifyingGlass = true;
     }
-    emit(pageAvailable(false));
+    emit pageAvailable(false);
     configureContent(tr("Loading...please wait!"));
 }
 
@@ -965,7 +965,7 @@ void Viewer::setPageUnavailableMessage()
         hideMagnifyingGlass();
         restoreMagnifyingGlass = true;
     }
-    emit(pageAvailable(false));
+    emit pageAvailable(false);
     configureContent(tr("Page not available!"));
 }
 
@@ -1107,7 +1107,7 @@ void Viewer::showIsCoverMessage()
         shouldOpenPrevious = true;
     } else {
         shouldOpenPrevious = false;
-        emit(openPreviousComic());
+        emit openPreviousComic();
     }
 
     shouldOpenNext = false; // single page comic
@@ -1121,7 +1121,7 @@ void Viewer::showIsLastMessage()
         shouldOpenNext = true;
     } else {
         shouldOpenNext = false;
-        emit(openNextComic());
+        emit openNextComic();
     }
 
     shouldOpenPrevious = false; // single page comic
diff --git a/common/comic.cpp b/common/comic.cpp
index ee4aa890..50a31d2c 100644
--- a/common/comic.cpp
+++ b/common/comic.cpp
@@ -604,7 +604,7 @@ void FileComic::process()
     }
 
     _index = _firstPage;
-    emit(openAt(_index));
+    emit openAt(_index);
 
     int sectionIndex;
     QList<QVector<quint32>> sections = getSections(sectionIndex);
@@ -701,7 +701,7 @@ void FolderComic::process()
 
         _index = _firstPage;
 
-        emit(openAt(_index));
+        emit openAt(_index);
 
         emit pageChanged(0); // this indicates new comic, index=0
         emit numPages(_pages.size());
@@ -847,7 +847,7 @@ void PDFComic::process()
     }
 
     _index = _firstPage;
-    emit(openAt(_index));
+    emit openAt(_index);
 
     // buffer index to avoid race conditions
     int buffered_index = _index;
diff --git a/custom_widgets/yacreader_options_dialog.cpp b/custom_widgets/yacreader_options_dialog.cpp
index 66590ff1..8f6de9a8 100644
--- a/custom_widgets/yacreader_options_dialog.cpp
+++ b/custom_widgets/yacreader_options_dialog.cpp
@@ -136,7 +136,7 @@ void YACReaderOptionsDialog::saveFlowParameters()
 
 void YACReaderOptionsDialog::saveOptions()
 {
-    emit(optionsChanged());
+    emit optionsChanged();
     close();
 }