diff --git a/src/afl-fuzz-skipdet.c b/src/afl-fuzz-skipdet.c
index 072b9b66..206a645b 100644
--- a/src/afl-fuzz-skipdet.c
+++ b/src/afl-fuzz-skipdet.c
@@ -126,12 +126,7 @@ u8 skip_deterministic_stage(afl_state_t *afl, u8 *orig_buf, u8 *out_buf,
   inf_eff_map = (u8 *)ck_realloc(inf_eff_map, sizeof(u8) * len);
   memset(inf_eff_map, 1, sizeof(u8) * len);
 
-  if (common_fuzz_stuff(afl, orig_buf, len)) {
-
-    ck_free(inf_eff_map);
-    return 0;
-
-  }
+  if (common_fuzz_stuff(afl, orig_buf, len)) { return 0; }
 
   u64 prev_cksum = hash64(afl->fsrv.trace_bits, afl->fsrv.map_size, HASH_CONST);
   u64 _prev_cksum = prev_cksum;
@@ -159,12 +154,7 @@ u8 skip_deterministic_stage(afl_state_t *afl, u8 *orig_buf, u8 *out_buf,
 
         flip_range(out_buf, pos, flip_block_size);
 
-        if (common_fuzz_stuff(afl, out_buf, len)) {
-
-          ck_free(inf_eff_map);
-          return 0;
-
-        }
+        if (common_fuzz_stuff(afl, out_buf, len)) { return 0; }
 
         flip_range(out_buf, pos, flip_block_size);
 
@@ -329,7 +319,6 @@ u8 skip_deterministic_stage(afl_state_t *afl, u8 *orig_buf, u8 *out_buf,
 
       if (common_fuzz_stuff(afl, out_buf, len)) {
 
-        ck_free(inf_eff_map);
         ck_free(non_eff_bytes);
         return 0;
 
@@ -378,7 +367,6 @@ u8 skip_deterministic_stage(afl_state_t *afl, u8 *orig_buf, u8 *out_buf,
 
 cleanup_skipdet:
 
-  ck_free(inf_eff_map);
   if (fuzz_nearby) {
 
     u8 *nearby_bytes = (u8 *)ck_alloc(sizeof(u8) * len);