diff --git a/dictBuilder/dibio.c b/dictBuilder/dibio.c
index 679b6504..a471d545 100644
--- a/dictBuilder/dibio.c
+++ b/dictBuilder/dibio.c
@@ -77,12 +77,6 @@ static const size_t maxMemory = (sizeof(size_t) == 4) ? (2 GB - 64 MB) : ((size_
 #define PRIME1   2654435761U
 #define PRIME2   2246822519U
 
-#define MINRATIO 4
-static const U32 g_compressionLevel_default = 5;
-static const U32 g_selectivity_default = 9;
-static const size_t g_provision_entropySize = 200;
-static const size_t g_min_fast_dictContent = 192;
-
 
 /*-*************************************
 *  Console display
diff --git a/lib/dictBuilder.c b/lib/dictBuilder.c
index ede3b3d2..fe40bea4 100644
--- a/lib/dictBuilder.c
+++ b/lib/dictBuilder.c
@@ -84,8 +84,6 @@
 #define GB *(1U<<30)
 
 #define DICTLISTSIZE 10000
-#define MEMMULT 11
-static const size_t maxMemory = (sizeof(size_t) == 4) ? (2 GB - 64 MB) : ((size_t)(512 MB) << sizeof(size_t));
 
 #define NOISELENGTH 32
 #define PRIME1   2654435761U
diff --git a/lib/divsufsort.c b/lib/divsufsort.c
index ca790574..9f45df59 100644
--- a/lib/divsufsort.c
+++ b/lib/divsufsort.c
@@ -24,10 +24,17 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
+/*- Compiler specifics -*/
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wshorten-64-to-32"
+#endif
+
 #if defined(_MSC_VER)
   #pragma warning(disable : 4244)
 #endif
 
+
+/*- Dependencies -*/
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>