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-rw-r--r--org-drill.el17
1 files changed, 0 insertions, 17 deletions
diff --git a/org-drill.el b/org-drill.el
index 922f644..2e19530 100644
--- a/org-drill.el
+++ b/org-drill.el
@@ -402,14 +402,6 @@ Available choices are:
:group 'org-drill
:type '(choice (const sm2) (const sm5) (const simple8)))
-(defcustom org-drill-optimal-factor-matrix
- nil
- "Obsolete and will be removed in future. The SM5 optimal factor
-matrix data is now stored in the variable
-`org-drill-sm5-optimal-factor-matrix'."
- :group 'org-drill
- :type 'sexp)
-
(persist-defvar org-drill-sm5-optimal-factor-matrix
nil
"DO NOT CHANGE THE VALUE OF THIS VARIABLE.
@@ -420,15 +412,6 @@ algorithm. The matrix is saved at the end of each drill session.
Over time, values in the matrix will adapt to the individual user's
pace of learning.")
-
-(defun org-drill--transfer-optimal-factor-matrix ()
- (if (and org-drill-optimal-factor-matrix
- (null org-drill-sm5-optimal-factor-matrix))
- (setq org-drill-sm5-optimal-factor-matrix
- org-drill-optimal-factor-matrix)))
-
-(add-hook 'after-init-hook 'org-drill--transfer-optimal-factor-matrix)
-
(defcustom org-drill-sm5-initial-interval
4.0
"In the SM5 algorithm, the initial interval after the first