1 files changed, 0 insertions, 2 deletions
diff --git a/src/base/io/io.c b/src/base/io/io.c
index 37e7d34f..3d1a6ae3 100644
--- a/src/base/io/io.c
+++ b/src/base/io/io.c
@@ -929,8 +929,6 @@ int IoCommandReadTruth( Abc_Frame_t * pAbc, int argc, char ** argv )
         goto usage;
     }
 
-    c = strlen(argv[globalUtilOptind]);
-
     // convert truth table to SOP
     if ( fHex )
         pSopCover = Abc_SopFromTruthHex(argv[globalUtilOptind]);