diff --git a/.travis.yml b/.travis.yml
index 5cc5bd4..59f8445 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ sudo: false
 
 matrix:
   include:
-    - os: osx
+    - os: linux
       r: bioc-release
 
 notifications:
diff --git a/DESCRIPTION b/DESCRIPTION
index 9a53817..deb4da2 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: openPrimeR
 Title: Multiplex PCR Primer Design and Analysis
-Version: 0.99.6
+Version: 0.99.7
 Authors@R: c(person("Matthias", "Döring", 
                     email = "mdoering@mpi-inf.mpg.de", 
                     role = c("aut", "cre")),
@@ -31,7 +31,6 @@ Imports:
     seqinr (>= 3.3-3),
     IRanges (>= 2.4.8),
     GenomicRanges (>= 1.22.4),
-    GenomeInfoDbData (>= 0.99.0),
     ggplot2 (>= 2.1.0),
     plyr (>= 1.8.4),
     dplyr (>= 0.5.0),