diff --git a/blas/blas.c b/blas/blas.c
index 9ef62a6d..6ffce21d 100644
--- a/blas/blas.c
+++ b/blas/blas.c
@@ -25,7 +25,6 @@
 #include <gsl/gsl_math.h>
 #include <gsl/gsl_errno.h>
 #include <gsl/gsl_cblas.h>
-#include <gsl/gsl_cblas.h>
 #include <gsl/gsl_blas_types.h>
 #include <gsl/gsl_blas.h>