diff --git a/analysis/R/decode.R b/analysis/R/decode.R
index 1b663a1..190e063 100644
--- a/analysis/R/decode.R
+++ b/analysis/R/decode.R
@@ -23,8 +23,6 @@ source.rappor <- function(rel_path)  {
   source(abs_path)
 }
 
-source.rappor('analysis/R/alternative.R')
-
 EstimateBloomCounts <- function(params, obs_counts) {
   # Estimates the number of times each bit in each cohort was set in original
   # Bloom filters.
diff --git a/bin/decode_dist.R b/bin/decode_dist.R
index f61e155..6ed38b1 100755
--- a/bin/decode_dist.R
+++ b/bin/decode_dist.R
@@ -16,8 +16,6 @@ source.rappor("analysis/R/read_input.R")
 source.rappor("analysis/R/decode.R")
 source.rappor("analysis/R/util.R")
 
-source.rappor("analysis/R/alternative.R")
-
 options(stringsAsFactors = FALSE)
 
 # Do command line parsing first to catch errors.  Loading libraries in R is