diff -up Rsamtools/Rsamtools/DESCRIPTION.zlibbioc Rsamtools/Rsamtools/DESCRIPTION
--- Rsamtools/Rsamtools/DESCRIPTION.zlibbioc	2015-05-29 23:18:35.578663293 -0400
+++ Rsamtools/Rsamtools/DESCRIPTION	2015-05-29 23:19:01.955486358 -0400
@@ -17,7 +17,7 @@ LazyLoad: yes
 Depends: methods, S4Vectors (>= 0.5.11), IRanges (>= 1.99.17),
         GenomeInfoDb (>= 1.1.3), GenomicRanges (>= 1.17.19), XVector
         (>= 0.5.3), Biostrings (>= 2.33.11)
-Imports: utils, BiocGenerics (>= 0.1.3), zlibbioc, bitops
+Imports: utils, BiocGenerics (>= 0.1.3), bitops
 Suggests: GenomicAlignments, ShortRead (>= 1.19.10), GenomicFeatures,
         TxDb.Dmelanogaster.UCSC.dm3.ensGene, KEGG.db,
         TxDb.Hsapiens.UCSC.hg18.knownGene, RNAseqData.HNRNPC.bam.chr14,
diff -up Rsamtools/Rsamtools/NAMESPACE.zlibbioc Rsamtools/Rsamtools/NAMESPACE
--- Rsamtools/Rsamtools/NAMESPACE.zlibbioc	2015-05-29 23:18:35.578663293 -0400
+++ Rsamtools/Rsamtools/NAMESPACE	2015-05-29 23:19:12.295416998 -0400
@@ -2,8 +2,6 @@ useDynLib(Rsamtools, .registration=TRUE)
 
 import(methods)
 
-import(zlibbioc)
-
 importFrom(bitops, bitAnd)
 
 importFrom(utils, read.table)           # normalizePath --> base in R-2.13