diff --git a/DESCRIPTION b/DESCRIPTION
index d3c9c19..c57d500 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: Rd2roxygen
 Type: Package
 Title: Convert Rd to 'Roxygen' Documentation
-Version: 1.6.2
+Version: 1.6.3
 Date: 2017-03-30
 Authors@R: c(
     person("Hadley", "Wickham", role = "aut"),
diff --git a/NEWS b/NEWS
index 3e77abb..8efae17 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,9 @@
+		  CHANGES IN Rd2roxygen VERSION 1.7
+
+BUG FIXES
+
+  o importRd() fails due to a change in roxygen2 (https://github.com/klutometis/roxygen/issues/568).
+
 		  CHANGES IN Rd2roxygen VERSION 1.6.2
 
 MAJOR CHANGES
diff --git a/R/build.R b/R/build.R
index f8fa474..21da6bd 100644
--- a/R/build.R
+++ b/R/build.R
@@ -39,6 +39,13 @@ roxygen_and_build = function(
   if (length(pkg) != 1) stop('The package directory must be one character string')
   in_dir(pkg, before)
   roxygen2::roxygenize(pkg, ...)
+  desc = file.path(pkg, 'DESCRIPTION')
+  pv = read.dcf(desc, fields = c('Package', 'Version'))
+  # undo roxygen2's hack https://github.com/klutometis/roxygen/issues/568
+  # because it affects importRd()
+  for (name in intersect(c('devtools_shims', paste0('package:', pv[1, 1])), search())) {
+    detach(name, unload = TRUE, character.only = TRUE)
+  }
   if (reformat) {
     message('Reformatting usage and examples')
     rd.list = list.files(
@@ -46,8 +53,6 @@ roxygen_and_build = function(
     )
     for (f in rd.list) reformat_code(f)
   }
-  desc = file.path(pkg, 'DESCRIPTION')
-  pv = read.dcf(desc, fields = c('Package', 'Version'))
   # delete existing tarballs
   unlink(sprintf('%s_*.tar.gz', pv[1, 1]))
   if (build) {