diff --git a/DESCRIPTION b/DESCRIPTION
index a16e07eab..d5a1b90d9 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -61,7 +61,6 @@ Imports:
     lhs,
     parallelMap (>= 1.3)
 Suggests:
-    akima,
     cmaesr (>= 1.0.3),
     covr,
     DiceKriging,
diff --git a/R/doc_mbo_OptPath.R b/R/doc_mbo_OptPath.R
index 5a07326e8..4ec5fab7e 100644
--- a/R/doc_mbo_OptPath.R
+++ b/R/doc_mbo_OptPath.R
@@ -11,10 +11,10 @@
 #' \item{prop.type}{Type of point proposal. Possible values are
 #'   \describe{
 #'   \item{initdesign}{Points actually not proposed, but in the initial design.}
-#'   \item{infill\_x}{Here x is a placeholder for the selected infill criterion, e.g., infill\_ei for expected improvement.}
-#'   \item{random\_interleave}{Uniformly sampled points added additionally to the proposed points.}
-#'   \item{random\_filtered}{If filtering of proposed points located too close to each other is active, these are replaced by random points.}
-#'   \item{final\_eval}{If \code{final.evals} is set in \code{\link{makeMBOControl}}: Final evaluations of the proposed solution to reduce noise in y.}
+#'   \item{infill_x}{Here x is a placeholder for the selected infill criterion, e.g., infill_ei for expected improvement.}
+#'   \item{random_interleave}{Uniformly sampled points added additionally to the proposed points.}
+#'   \item{random_filtered}{If filtering of proposed points located too close to each other is active, these are replaced by random points.}
+#'   \item{final_eval}{If \code{final.evals} is set in \code{\link{makeMBOControl}}: Final evaluations of the proposed solution to reduce noise in y.}
 #'   }
 #' }
 #' \item{parego.weight}{Weight vector sampled for multi-point ParEGO}
diff --git a/man/mbo_OptPath.Rd b/man/mbo_OptPath.Rd
index 7fd10f869..ea0c8ae4c 100644
--- a/man/mbo_OptPath.Rd
+++ b/man/mbo_OptPath.Rd
@@ -14,10 +14,10 @@ The extras are:
 \item{prop.type}{Type of point proposal. Possible values are
   \describe{
   \item{initdesign}{Points actually not proposed, but in the initial design.}
-  \item{infill\_x}{Here x is a placeholder for the selected infill criterion, e.g., infill\_ei for expected improvement.}
-  \item{random\_interleave}{Uniformly sampled points added additionally to the proposed points.}
-  \item{random\_filtered}{If filtering of proposed points located too close to each other is active, these are replaced by random points.}
-  \item{final\_eval}{If \code{final.evals} is set in \code{\link{makeMBOControl}}: Final evaluations of the proposed solution to reduce noise in y.}
+  \item{infill_x}{Here x is a placeholder for the selected infill criterion, e.g., infill_ei for expected improvement.}
+  \item{random_interleave}{Uniformly sampled points added additionally to the proposed points.}
+  \item{random_filtered}{If filtering of proposed points located too close to each other is active, these are replaced by random points.}
+  \item{final_eval}{If \code{final.evals} is set in \code{\link{makeMBOControl}}: Final evaluations of the proposed solution to reduce noise in y.}
   }
 }
 \item{parego.weight}{Weight vector sampled for multi-point ParEGO}