diff --git a/org.eclipse.tm4e.ui/src/main/java/org/eclipse/tm4e/ui/internal/utils/ContentTypeHelper.java b/org.eclipse.tm4e.ui/src/main/java/org/eclipse/tm4e/ui/internal/utils/ContentTypeHelper.java
index 5c691d65d..58ce541b2 100644
--- a/org.eclipse.tm4e.ui/src/main/java/org/eclipse/tm4e/ui/internal/utils/ContentTypeHelper.java
+++ b/org.eclipse.tm4e.ui/src/main/java/org/eclipse/tm4e/ui/internal/utils/ContentTypeHelper.java
@@ -132,7 +132,6 @@ private static ContentTypeInfo getContentTypes(final ITextFileBuffer buffer) {
 				return null;
 			}
 		} catch (final CoreException | IOException ex) {
-			TMUIPlugin.logError(ex);
 			return null;
 		}
 	}
@@ -224,12 +223,12 @@ private static IEditorInput getEditorInput(final IDocument document) {
 							return editorInput;
 						}
 					} catch (final RuntimeException e) {
-						e.printStackTrace();
+						// e.printStackTrace();
 					}
 				}
 			}
 		} catch (final RuntimeException e) {
-			e.printStackTrace();
+			// e.printStackTrace();
 		}
 		return null;
 	}