diff --git a/include/devil1pld.h b/include/devil1pld.h
index b640184..93a006d 100644
--- a/include/devil1pld.h
+++ b/include/devil1pld.h
@@ -13,16 +13,12 @@ struct PldHeader {
 
 #pragma pack(pop)
 
-// input: contents of the .pld file.
-// allocates heap memory
-//struct PldHeader *getpldh(const char*);
-
+// input: pointer to a struct, contents of the .pld file.
+// * = pass by reference of a struct PldHeader
 bool getpldh(struct PldHeader*, const char*);
 
-// frees heap memory
-void destroypldh(struct PldHeader*);
-
 // input: a pld header struct.
+// * = pass by reference of a struct PldHeader
 void printpldh(struct PldHeader*);
 
 #endif
\ No newline at end of file
diff --git a/src/devil1pld.c b/src/devil1pld.c
index 8d2bcff..1f55484 100644
--- a/src/devil1pld.c
+++ b/src/devil1pld.c
@@ -1,35 +1,5 @@
 #include "devil1pld.h"
 #include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* struct PldHeader *getpldh(const char *filedata) {
-    if (filedata == NULL) {
-        return NULL;
-    }
-    int32_t *n                = (int32_t*)filedata;
-    struct PldHeader *ph      = (struct PldHeader*)malloc(
-        sizeof(struct PldHeader)
-    );   
-    uint32_t size_offsets = sizeof(uint32_t) * n[0];
-    ph -> offsets         = (uint32_t*)malloc(size_offsets);
-    if (ph -> offsets == NULL) {
-        perror("Error 4: ");
-        free(ph);
-        free(ph -> offsets);
-        return NULL;
-    }
-    // set data of struct.
-    ph -> numOffset = n[0];
-    memcpy(ph -> offsets, filedata + sizeof(int32_t), size_offsets);
-    return ph;
-} */
-
-void destroypldh(struct PldHeader *ph) {
-    free(ph -> offsets);
-    free(ph);
-    ph = NULL;
-}
 
 bool getpldh(struct PldHeader *ph, const char *filedata) {
     bool good = false;