diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c
index 7a35c86..366e1f8 100644
--- a/contrib/minizip/unzip.c
+++ b/contrib/minizip/unzip.c
@@ -111,9 +111,6 @@
 #ifndef ALLOC
 # define ALLOC(size) (malloc(size))
 #endif
-#ifndef TRYFREE
-# define TRYFREE(p) { free(p);}
-#endif
 
 #define SIZECENTRALDIRITEM (0x2e)
 #define SIZEZIPLOCALHEADER (0x1e)
@@ -380,7 +377,7 @@ local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f
         if (uPosFound!=CENTRALDIRINVALID)
             break;
     }
-    TRYFREE(buf);
+    free(buf);
     return uPosFound;
 }
 
@@ -443,7 +440,7 @@ local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib
         if (uPosFound!=CENTRALDIRINVALID)
             break;
     }
-    TRYFREE(buf);
+    free(buf);
     if (uPosFound == CENTRALDIRINVALID)
         return CENTRALDIRINVALID;
 
@@ -723,7 +720,7 @@ extern int ZEXPORT unzClose(unzFile file) {
         unzCloseCurrentFile(file);
 
     ZCLOSE64(s->z_filefunc, s->filestream);
-    TRYFREE(s);
+    free(s);
     return UNZ_OK;
 }
 
@@ -1384,7 +1381,7 @@ extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int* method,
 
     if (pfile_in_zip_read_info->read_buffer==NULL)
     {
-        TRYFREE(pfile_in_zip_read_info);
+        free(pfile_in_zip_read_info);
         return UNZ_INTERNALERROR;
     }
 
@@ -1441,8 +1438,8 @@ extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int* method,
         pfile_in_zip_read_info->stream_initialised=Z_BZIP2ED;
       else
       {
-        TRYFREE(pfile_in_zip_read_info->read_buffer);
-        TRYFREE(pfile_in_zip_read_info);
+        free(pfile_in_zip_read_info->read_buffer);
+        free(pfile_in_zip_read_info);
         return err;
       }
 #else
@@ -1462,8 +1459,8 @@ extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int* method,
         pfile_in_zip_read_info->stream_initialised=Z_DEFLATED;
       else
       {
-        TRYFREE(pfile_in_zip_read_info->read_buffer);
-        TRYFREE(pfile_in_zip_read_info);
+        free(pfile_in_zip_read_info->read_buffer);
+        free(pfile_in_zip_read_info);
         return err;
       }
         /* windowBits is passed < 0 to tell that there is no zlib header.
@@ -1894,7 +1891,7 @@ extern int ZEXPORT unzCloseCurrentFile(unzFile file) {
     }
 
 
-    TRYFREE(pfile_in_zip_read_info->read_buffer);
+    free(pfile_in_zip_read_info->read_buffer);
     pfile_in_zip_read_info->read_buffer = NULL;
     if (pfile_in_zip_read_info->stream_initialised == Z_DEFLATED)
         inflateEnd(&pfile_in_zip_read_info->stream);
@@ -1905,7 +1902,7 @@ extern int ZEXPORT unzCloseCurrentFile(unzFile file) {
 
 
     pfile_in_zip_read_info->stream_initialised = 0;
-    TRYFREE(pfile_in_zip_read_info);
+    free(pfile_in_zip_read_info);
 
     s->pfile_in_zip_read=NULL;
 
diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c
index ac4e243..7facc23 100644
--- a/contrib/minizip/zip.c
+++ b/contrib/minizip/zip.c
@@ -62,9 +62,6 @@
 #ifndef ALLOC
 # define ALLOC(size) (malloc(size))
 #endif
-#ifndef TRYFREE
-# define TRYFREE(p) {if (p) free(p);}
-#endif
 
 /*
 #define SIZECENTRALDIRITEM (0x2e)
@@ -204,7 +201,7 @@ local void free_datablock(linkedlist_datablock_internal* ldi) {
     while (ldi!=NULL)
     {
         linkedlist_datablock_internal* ldinext = ldi->next_datablock;
-        TRYFREE(ldi);
+        free(ldi);
         ldi = ldinext;
     }
 }
@@ -505,7 +502,7 @@ local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f
     if (uPosFound!=0)
       break;
   }
-  TRYFREE(buf);
+  free(buf);
   return uPosFound;
 }
 
@@ -568,7 +565,7 @@ local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib
         break;
   }
 
-  TRYFREE(buf);
+  free(buf);
   if (uPosFound == 0)
     return 0;
 
@@ -802,7 +799,7 @@ local int LoadCentralDirectoryRecord(zip64_internal* pziinit) {
 
       size_central_dir_to_read-=read_this;
     }
-    TRYFREE(buf_read);
+    free(buf_read);
   }
   pziinit->begin_pos = byte_before_the_zipfile;
   pziinit->number_entry = number_entry_CD;
@@ -876,9 +873,9 @@ extern zipFile ZEXPORT zipOpen3(const void *pathname, int append, zipcharpc* glo
     if (err != ZIP_OK)
     {
 #    ifndef NO_ADDFILEINEXISTINGZIP
-        TRYFREE(ziinit.globalcomment);
+        free(ziinit.globalcomment);
 #    endif /* !NO_ADDFILEINEXISTINGZIP*/
-        TRYFREE(zi);
+        free(zi);
         return NULL;
     }
     else
@@ -1885,9 +1882,9 @@ extern int ZEXPORT zipClose(zipFile file, const char* global_comment) {
             err = ZIP_ERRNO;
 
 #ifndef NO_ADDFILEINEXISTINGZIP
-    TRYFREE(zi->globalcomment);
+    free(zi->globalcomment);
 #endif
-    TRYFREE(zi);
+    free(zi);
 
     return err;
 }
@@ -1944,7 +1941,7 @@ extern int ZEXPORT zipRemoveExtraInfoBlock(char* pData, int* dataLen, short sHea
   else
     retVal = ZIP_ERRNO;
 
-  TRYFREE(pNewHeader);
+  free(pNewHeader);
 
   return retVal;
 }