diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index 45a0821..210cb42 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -2380,6 +2380,7 @@
 
 /* Internal helper used for updating curses.LINES, curses.COLS, _curses.LINES
  * and _curses.COLS */
+#if defined(HAVE_CURSES_RESIZETERM) || defined(HAVE_CURSES_RESIZE_TERM)
 static int
 update_lines_cols(void)
 {
@@ -2424,6 +2425,7 @@
   Py_DECREF(m);
   return 1;
 }
+#endif
 
 #ifdef HAVE_CURSES_RESIZETERM
 static PyObject *
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index c57b77a..a196834 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -382,11 +382,11 @@
    sum([1e+308, 1e+308, 1e-308]) raises an OverflowError due to the
    overflow of the first partial sum.
 
-   Note 3: The itermediate values lo, yr, and hi are declared volatile so
-   aggressive compilers won't algebraicly reduce lo to always be exactly 0.0.
+   Note 3: The intermediate values lo, yr, and hi are declared volatile so
+   aggressive compilers won't algebraically reduce lo to always be exactly 0.0.
    Also, the volatile declaration forces the values to be stored in memory as
    regular doubles instead of extended long precision (80-bit) values.  This
-   prevents double rounding because any addition or substraction of two doubles
+   prevents double rounding because any addition or subtraction of two doubles
    can be resolved exactly into double-sized hi and lo values.  As long as the 
    hi value gets forced into a double before yr and lo are computed, the extra
    bits in downstream extended precision operations (x87 for example) will be
@@ -614,7 +614,6 @@
 
 error:
 	Py_DECREF(result);
-	Py_XDECREF(iobj);
 	return NULL;
 }