diff --git a/src/core/ev.c b/src/core/ev.c
index 70a5f254..bad6a932 100644
--- a/src/core/ev.c
+++ b/src/core/ev.c
@@ -1684,9 +1684,9 @@ static Janet cfun_ev_call(int32_t argc, Janet *argv) {
     janet_arity(argc, 1, -1);
     JanetFunction *fn = janet_getfunction(argv, 0);
     JanetFiber *fiber = janet_fiber(fn, 64, argc - 1, argv + 1);
+    if (NULL == fiber) janet_panicf("invalid arity to function %v", argv[0]);
     fiber->env = janet_table(0);
     fiber->env->proto = janet_current_fiber()->env;
-    if (NULL == fiber) janet_panicf("invalid arity to function %v", argv[0]);
     janet_schedule(fiber, janet_wrap_nil());
     return janet_wrap_fiber(fiber);
 }
diff --git a/src/core/parse.c b/src/core/parse.c
index 4d5275e2..16b67c17 100644
--- a/src/core/parse.c
+++ b/src/core/parse.c
@@ -352,7 +352,7 @@ static int stringend(JanetParser *p, JanetParseState *state) {
                     *w++ = *r++;
                 }
             }
-            buflen = (int32_t) (w - bufstart);
+            buflen = (int32_t)(w - bufstart);
         }
         /* Check for trailing newline character so we can remove it */
         if (buflen > 0 && bufstart[buflen - 1] == '\n') {
diff --git a/src/core/peg.c b/src/core/peg.c
index 06e8e650..5a3941fb 100644
--- a/src/core/peg.c
+++ b/src/core/peg.c
@@ -102,10 +102,7 @@ static LineCol get_linecol_from_position(PegState *s, int32_t position) {
         for (const uint8_t *c = s->text_start; c < s->text_end; c++) {
             if (*c == '\n') newline_count++;
         }
-        int32_t *mem = malloc(sizeof(int32_t) * newline_count);
-        if (NULL == mem) {
-            JANET_OUT_OF_MEMORY;
-        }
+        int32_t *mem = janet_smalloc(sizeof(int32_t) * newline_count);
         size_t index = 0;
         for (const uint8_t *c = s->text_start; c < s->text_end; c++) {
             if (*c == '\n') mem[index++] = (int32_t)(c - s->text_start);
@@ -337,13 +334,13 @@ tail:
         }
 
         case RULE_LINE: {
-            LineCol lc = get_linecol_from_position(s, (int32_t) (text - s->text_start));
+            LineCol lc = get_linecol_from_position(s, (int32_t)(text - s->text_start));
             pushcap(s, janet_wrap_number((double)(lc.line)), rule[1]);
             return text;
         }
 
         case RULE_COLUMN: {
-            LineCol lc = get_linecol_from_position(s, (int32_t) (text - s->text_start));
+            LineCol lc = get_linecol_from_position(s, (int32_t)(text - s->text_start));
             pushcap(s, janet_wrap_number((double)(lc.col)), rule[1]);
             return text;
         }
@@ -489,7 +486,6 @@ tail:
                 /* Throw generic error */
                 int32_t start = (int32_t)(text - s->text_start);
                 LineCol lc = get_linecol_from_position(s, start);
-                int32_t end = (int32_t)(result - s->text_start);
                 janet_panicf("match error at line %d, column %d", lc.line, lc.col);
             }
             return NULL;