diff --git a/libgimp/gimpbrushselectbutton.c b/libgimp/gimpbrushselectbutton.c
index fd5801b19e..1ea11ec239 100644
--- a/libgimp/gimpbrushselectbutton.c
+++ b/libgimp/gimpbrushselectbutton.c
@@ -231,6 +231,7 @@ gimp_brush_select_button_get_brush_bitmap (GimpBrushSelectButton *self)
   result.mask_data = g_bytes_unref_to_data (mask_data, &mask_size);
   /* Discard any color data, bitmap is B&W i.e. i.e. depth one i.e. a mask */
   g_bytes_unref (color_data);
+  g_object_unref (brush);
 
   return result;
 }
diff --git a/libgimp/gimpgradientselectbutton.c b/libgimp/gimpgradientselectbutton.c
index 5cbeee5250..019417d32e 100644
--- a/libgimp/gimpgradientselectbutton.c
+++ b/libgimp/gimpgradientselectbutton.c
@@ -191,6 +191,8 @@ get_gradient_data (GimpGradientSelectButton *self,
       *sample_count = n_samples;
     }
 
+  g_object_unref (gradient);
+
   /* When result is true, caller must free the array. */
   return result;
 }
diff --git a/libgimp/gimppatternselectbutton.c b/libgimp/gimppatternselectbutton.c
index 3d2fa3c90b..da5a175206 100644
--- a/libgimp/gimppatternselectbutton.c
+++ b/libgimp/gimppatternselectbutton.c
@@ -235,6 +235,8 @@ gimp_pattern_select_button_get_pattern_image (GimpPatternSelectButton *self)
                            &color_bytes);
   result.pixelels = g_bytes_unref_to_data (color_bytes, &pixelels_size);
 
+  g_object_unref (pattern);
+
   return result;
 }