diff --git a/src/parquet/symbols.map b/src/parquet/symbols.map
index a94f114..e00751e 100644
--- a/src/parquet/symbols.map
+++ b/src/parquet/symbols.map
@@ -19,25 +19,12 @@
   # Symbols marked as 'local' are not exported by the DSO and thus may not
   # be used by client applications.
   local:
-    # zlib
-    adler32*;
-    crc32*;
-    get_crc_table;
-    inflate*;
-    zError;
-    zlib*;
-
-	# these symbols seem to not universally be found in all libz.a
-	deflate*;
-	zc*;
-	_tr_*;
-
     # devtoolset / static-libstdc++ symbols
     __cxa_*;
 
     extern "C++" {
-      # snappy
-	  snappy::*;
+      # boost
+      boost::*;
 
 	  # thrift
 	  apache::thrift::*;