diff --git a/src/RNASeq.nf b/src/RNASeq.nf
index 244a7344f900b8e2a844a35a3220af7e465bf98a..8b03e38b47bacc8d7df8bf6d5d9abf74cd28c2c8 100644
--- a/src/RNASeq.nf
+++ b/src/RNASeq.nf
@@ -49,22 +49,13 @@ process adaptor_removal {
 * for paired-end data
 */
 
-params.fastq = "$baseDir/data/fastq/*_{1,2}.fastq"
-
-log.info "fastq files : ${params.fastq}"
-
-Channel
-  .fromFilePairs( params.fastq )
-  .ifEmpty { error "Cannot find any fastq files matching: ${params.fastq}" }
-  .set { fastq_files }
-
 process trimming {
   tag "${reads}"
   cpus 4
   publishDir "results/fastq/trimming/", mode: 'copy'
 
   input:
-  file reads from fastq_files
+  file reads from fastq_files_cut
 
   output:
   file "*_trim_R{1,2}.fastq.gz" into fastq_files_trim