diff --git a/examples/llava/clip.cpp b/examples/llava/clip.cpp
index 4251f884e..24073c5a9 100644
--- a/examples/llava/clip.cpp
+++ b/examples/llava/clip.cpp
@@ -2049,7 +2049,7 @@ static std::vector<std::vector<clip_image_u8 *>> uhd_slice_image(const clip_imag
                 images[images.size()-1].push_back(patch);
             }
         }
-        delete refine_image;
+        clip_image_u8_free(refine_image);
     }
     return images;
 }
@@ -2091,7 +2091,7 @@ bool clip_image_preprocess(struct clip_ctx * ctx, const clip_image_u8 * img, cli
         for (size_t i = 0; i < imgs.size(); ++i) {
             for (size_t j = 0; j < imgs[i].size(); ++j) {
                 if (imgs[i][j] != nullptr) {
-                    delete imgs[i][j];
+                    clip_image_u8_free(imgs[i][j]);
                 }
             }
         }