diff --git a/plugins/feature/radiosonde/radiosondegui.cpp b/plugins/feature/radiosonde/radiosondegui.cpp
index 533dcfb2a2..f09d4f9947 100644
--- a/plugins/feature/radiosonde/radiosondegui.cpp
+++ b/plugins/feature/radiosonde/radiosondegui.cpp
@@ -203,6 +203,14 @@ RadiosondeGUI::~RadiosondeGUI()
 {
     // Remove from map and free memory
     on_deleteAll_clicked();
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_LATITUDE);
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_LONGITUDE);
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_ALTITUDE);
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_SPEED);
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_VERTICAL_RATE);
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_HEADING);
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_ALT_MAX);
+    delete ui->radiosondes->itemDelegateForColumn(RADIOSONDE_COL_LAST_UPDATE);
     delete ui;
 }