diff --git a/core_info.c b/core_info.c
index 50ee0a7616..9c649f2730 100644
--- a/core_info.c
+++ b/core_info.c
@@ -239,6 +239,7 @@ void core_info_list_free(core_info_list_t *core_info_list)
          continue;
 
       free(info->path);
+      free(info->core_name);
       free(info->systemname);
       free(info->system_manufacturer);
       free(info->display_name);
diff --git a/libretro-common/formats/png/rpng_fbio.c b/libretro-common/formats/png/rpng_fbio.c
index d188bbc502..6433a00045 100644
--- a/libretro-common/formats/png/rpng_fbio.c
+++ b/libretro-common/formats/png/rpng_fbio.c
@@ -175,6 +175,7 @@ bool rpng_load_image_argb_iterate(FILE **fd, struct rpng_t *rpng)
             return false;
          }
 
+         png_free_chunk(&chunk);
          rpng->has_ihdr = true;
          break;
 
@@ -282,6 +283,9 @@ end:
    free(rpng.process.inflate_buf);
 
    if (rpng.process.stream)
+   {
       zlib_stream_free(rpng.process.stream);
+      free(rpng.process.stream);
+   }
    return ret;
 }
diff --git a/libretro-common/formats/png/rpng_nbio.c b/libretro-common/formats/png/rpng_nbio.c
index 19d1c52712..a87c30c9c8 100644
--- a/libretro-common/formats/png/rpng_nbio.c
+++ b/libretro-common/formats/png/rpng_nbio.c
@@ -222,7 +222,10 @@ void rpng_nbio_load_image_free(struct rpng_t *rpng)
    if (rpng->process.inflate_buf)
       free(rpng->process.inflate_buf);
    if (rpng->process.stream)
+   {
       zlib_stream_free(rpng->process.stream);
+      free(rpng->process.stream);
+   }
 
    if (rpng)
       free(rpng);