diff --git a/src/main/java/org/jabref/gui/entryeditor/EntryEditor.java b/src/main/java/org/jabref/gui/entryeditor/EntryEditor.java
index 3a55ae29395..7e99897cadb 100644
--- a/src/main/java/org/jabref/gui/entryeditor/EntryEditor.java
+++ b/src/main/java/org/jabref/gui/entryeditor/EntryEditor.java
@@ -69,7 +69,6 @@
 import com.tobiasdiez.easybind.EasyBind;
 import com.tobiasdiez.easybind.Subscription;
 import jakarta.inject.Inject;
-import org.fxmisc.richtext.CodeArea;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -475,8 +474,4 @@ public void nextPreviewStyle() {
     public void previousPreviewStyle() {
         this.previewTabs.forEach(OffersPreview::previousPreviewStyle);
     }
-
-    public CodeArea getEntrySource(BibEntry entry) {
-        return sourceTab.getEntryCodeArea(entry);
-    }
 }
diff --git a/src/main/java/org/jabref/gui/entryeditor/SourceTab.java b/src/main/java/org/jabref/gui/entryeditor/SourceTab.java
index d01c9eee7d1..6161e3a24ed 100644
--- a/src/main/java/org/jabref/gui/entryeditor/SourceTab.java
+++ b/src/main/java/org/jabref/gui/entryeditor/SourceTab.java
@@ -347,16 +347,4 @@ private void listenForSaveKeybinding(KeyEvent event) {
             }
         });
     }
-
-    public CodeArea getEntryCodeArea(BibEntry entry) {
-        CodeArea ca = new CodeArea();
-        try {
-            ca.appendText(getSourceString(entry, mode, fieldPreferences));
-        } catch (
-                IOException ex) {
-            ca = null;
-            LOGGER.debug("Incorrect entry", ex);
-        }
-        return ca;
-    }
 }
diff --git a/src/main/java/org/jabref/gui/entryeditor/citationrelationtab/CitationRelationsTab.java b/src/main/java/org/jabref/gui/entryeditor/citationrelationtab/CitationRelationsTab.java
index ddedebf31ca..b40be634892 100644
--- a/src/main/java/org/jabref/gui/entryeditor/citationrelationtab/CitationRelationsTab.java
+++ b/src/main/java/org/jabref/gui/entryeditor/citationrelationtab/CitationRelationsTab.java
@@ -1,10 +1,10 @@
 package org.jabref.gui.entryeditor.citationrelationtab;
 
 import java.io.IOException;
+import java.io.StringWriter;
 import java.net.URI;
 import java.util.Arrays;
 import java.util.List;
-import java.util.function.Supplier;
 
 import javax.swing.undo.UndoManager;
 
@@ -40,15 +40,18 @@
 import org.jabref.gui.entryeditor.citationrelationtab.semanticscholar.SemanticScholarFetcher;
 import org.jabref.gui.icon.IconTheme;
 import org.jabref.gui.preferences.GuiPreferences;
-import org.jabref.gui.undo.RedoAction;
-import org.jabref.gui.undo.UndoAction;
 import org.jabref.gui.util.NoSelectionModel;
 import org.jabref.gui.util.ViewModelListCellFactory;
+import org.jabref.logic.bibtex.BibEntryWriter;
+import org.jabref.logic.bibtex.FieldWriter;
 import org.jabref.logic.database.DuplicateCheck;
+import org.jabref.logic.exporter.BibWriter;
 import org.jabref.logic.l10n.Localization;
+import org.jabref.logic.os.OS;
 import org.jabref.logic.util.BackgroundTask;
 import org.jabref.logic.util.TaskExecutor;
 import org.jabref.model.database.BibDatabaseContext;
+import org.jabref.model.database.BibDatabaseMode;
 import org.jabref.model.database.BibDatabaseModeDetection;
 import org.jabref.model.entry.BibEntry;
 import org.jabref.model.entry.BibEntryTypesManager;
@@ -269,10 +272,9 @@ private void styleFetchedListView(CheckListView<CitationRelationItem> listView)
                     }
 
                     Button showEntrySource = IconTheme.JabRefIcons.SOURCE.asButton();
-                    showEntrySource.setTooltip(new Tooltip(Localization.lang("Show %0 source", databaseContext.getMode().getFormattedName())));
+                    showEntrySource.setTooltip(new Tooltip(Localization.lang("%0 source", databaseContext.getMode().getFormattedName())));
                     showEntrySource.setOnMouseClicked(event -> {
-                        this.entryEditor = createEntryEditor();
-                        showEntrySourceDialog(this.entryEditor.getEntrySource(entry.entry()));
+                        showEntrySourceDialog(entry.entry());
                     });
 
                     vContainer.getChildren().addLast(showEntrySource);
@@ -293,35 +295,38 @@ private void styleFetchedListView(CheckListView<CitationRelationItem> listView)
         listView.setSelectionModel(new NoSelectionModel<>());
     }
 
-    private EntryEditor createEntryEditor() {
-        Supplier<LibraryTab> tabSupplier = () -> this.libraryTab;
-        return new EntryEditor(this.libraryTab,
-                // Actions are recreated here since this avoids passing more parameters and the amount of additional memory consumption is neglegtable.
-                new UndoAction(tabSupplier, dialogService, stateManager),
-                new RedoAction(tabSupplier, dialogService, stateManager));
+    private String getSourceString(BibEntry entry, BibDatabaseMode type) throws IOException {
+        StringWriter writer = new StringWriter();
+        BibWriter bibWriter = new BibWriter(writer, OS.NEWLINE);
+        FieldWriter fieldWriter = FieldWriter.buildIgnoreHashes(this.preferences.getFieldPreferences());
+        new BibEntryWriter(fieldWriter, new BibEntryTypesManager()).write(entry, bibWriter, type);
+        return writer.toString();
     }
 
-    private void showEntrySourceDialog(CodeArea codeArea) {
-        if (codeArea == null) {
-            dialogService.showWarningDialogAndWait(Localization.lang("BibTeX source", databaseContext.getMode().getFormattedName()), Localization.lang("Could not load %0 source", databaseContext.getMode().getFormattedName()));
-        } else {
-            String title = Localization.lang("BibTeX of that entry");
+    private void showEntrySourceDialog(BibEntry entry) {
+        CodeArea ca = new CodeArea();
+        try {
+            ca.appendText(getSourceString(entry, databaseContext.getMode()));
+        } catch (IOException e) {
+            LOGGER.warn("Incorrect entry, could not load source:", e);
+            return;
+        }
 
-            codeArea.setWrapText(true);
-            codeArea.setPadding(new Insets(0, 10, 0, 10));
-            codeArea.showParagraphAtTop(0);
+        ca.setWrapText(true);
+        ca.setPadding(new Insets(0, 10, 0, 10));
+        ca.showParagraphAtTop(0);
 
-            ScrollPane scrollPane = new ScrollPane();
-            scrollPane.setFitToWidth(true);
-            scrollPane.setFitToHeight(true);
-            scrollPane.setContent(new VirtualizedScrollPane<>(codeArea));
+        ScrollPane scrollPane = new ScrollPane();
+        scrollPane.setFitToWidth(true);
+        scrollPane.setFitToHeight(true);
+        scrollPane.setContent(new VirtualizedScrollPane<>(ca));
 
-            DialogPane dialogPane = new DialogPane();
-            dialogPane.setPrefSize(800, 400);
-            dialogPane.setContent(scrollPane);
+        DialogPane dialogPane = new DialogPane();
+        dialogPane.setPrefSize(800, 400);
+        dialogPane.setContent(scrollPane);
+        String title = Localization.lang("%0 source", "Show BibTeX");
 
-            dialogService.showCustomDialogAndWait(title, dialogPane, ButtonType.OK);
-        }
+        dialogService.showCustomDialogAndWait(title, dialogPane, ButtonType.OK);
     }
 
     /**
diff --git a/src/main/resources/l10n/JabRef_en.properties b/src/main/resources/l10n/JabRef_en.properties
index b5df5c1e3e2..2ec8827add2 100644
--- a/src/main/resources/l10n/JabRef_en.properties
+++ b/src/main/resources/l10n/JabRef_en.properties
@@ -2782,8 +2782,3 @@ Warning\:\ The\ selected\ directory\ is\ not\ a\ valid\ directory.=Warning: The
 Currently\ selected\ JStyle\:\ '%0' = Currently selected JStyle: '%0'
 Currently\ selected\ CSL\ Style\:\ '%0' = Currently selected CSL Style: '%0'
 Store\ url\ for\ downloaded\ file=Store url for downloaded file
-
-BibTeX\ of\ that\ entry=BibTeX of that entry
-Could\ not\ load\ %0\ source=Could not load %0 source
-BibTeX\ source=BibTeX source
-Show\ %0\ source=Show %0 source