diff --git a/raiss/pipes.py b/raiss/pipes.py
index 6c14df58d273d2b7e10b1d56fbf844bae3b63bd6..08ad57c2d00ee46cbe2b286660ff81acc7917598 100644
--- a/raiss/pipes.py
+++ b/raiss/pipes.py
@@ -41,7 +41,6 @@ def save_chromosome_imputation(gwas, chrom, window_size, buffer_size,
 
     # Formatting and filtering
     # and Saving results
-    minimum_ld = 20
     z_fo = "{0}/z_{1}_{2}{3}.txt".format(output_folder, gwas, chrom, tag)
     filter_output(imputed_zscore, z_fo, float(R2_threshold), minimum_ld=float(minimum_ld))
     print("Save imputation done at {0}".format(z_fo))