diff --git a/util/fipstools/inject_hash/common.h b/util/fipstools/inject_hash/common.h
index f2501e2a12..4954c32f5f 100644
--- a/util/fipstools/inject_hash/common.h
+++ b/util/fipstools/inject_hash/common.h
@@ -18,7 +18,8 @@ extern "C"
     fprintf(stderr, "\n"); \
 } while(0)
 
-int inject_hash_no_write(const char *ar_input, const char *o_input, const char *out_path, int apple_flag, uint8_t **object_bytes, size_t *object_bytes_size);
+int inject_hash_no_write(const char *o_input, int apple_flag,
+                         uint8_t **object_bytes, size_t *object_bytes_size);
 int inject_hash(int argc, char *argv[]);
 
 #ifdef __cplusplus
diff --git a/util/fipstools/inject_hash/inject_hash_lib.c b/util/fipstools/inject_hash/inject_hash_lib.c
index d1524fb3c5..c6ed41fad2 100644
--- a/util/fipstools/inject_hash/inject_hash_lib.c
+++ b/util/fipstools/inject_hash/inject_hash_lib.c
@@ -189,7 +189,8 @@ static int do_apple(const char *object_file, uint8_t **text_module, size_t *text
     return ret;
 }
 
-int inject_hash_no_write(const char *ar_input, const char *o_input, const char *out_path, int apple_flag, uint8_t **object_bytes, size_t *object_bytes_size) {
+int inject_hash_no_write(const char *o_input, int apple_flag,
+                         uint8_t **object_bytes, size_t *object_bytes_size) {
     int ret = 0;
 
     uint8_t uninit_hash[] = {
@@ -209,14 +210,11 @@ int inject_hash_no_write(const char *ar_input, const char *o_input, const char *
 
     uint32_t hash_index;
 
-    if (ar_input != NULL) {
-        // TODO: work with an archive, not needed for Apple platforms
-    } else {
-        *object_bytes = read_object(o_input, object_bytes_size);
-        if (object_bytes == NULL) {
-            LOG_ERROR("Error reading object bytes from %s", o_input);
-            goto end;
-        }
+
+    *object_bytes = read_object(o_input, object_bytes_size);
+    if (object_bytes == NULL) {
+        LOG_ERROR("Error reading object bytes from %s", o_input);
+        goto end;
     }
 
     if (apple_flag == 1) {
@@ -339,7 +337,8 @@ int inject_hash(int argc, char *argv[]) {
         goto end;
     }
 
-    if (!inject_hash_no_write(ar_input, o_input, out_path, apple_flag, &object_bytes, &object_bytes_size)) {
+    if (!inject_hash_no_write(o_input, apple_flag, &object_bytes,
+                              &object_bytes_size)) {
         LOG_ERROR("Error encountered while injecting hash");
         goto end;
     }
diff --git a/util/fipstools/inject_hash/tests/inject_hash_tests.cc b/util/fipstools/inject_hash/tests/inject_hash_tests.cc
index d08f40f2fe..6a53ddb28c 100644
--- a/util/fipstools/inject_hash/tests/inject_hash_tests.cc
+++ b/util/fipstools/inject_hash/tests/inject_hash_tests.cc
@@ -8,7 +8,8 @@
 
 #include "../common.h"
 
-
+// Paths below are based on expected location of library artifacts relative
+// to the location of this test executable.
 // TODO: change this based on platform, we only care about Apple for now
 #define GOOD_LIB_NAME "test_libs/libgood_lib.dylib"
 #define BAD_HASH_LIB_NAME "test_libs/libbad_hash_lib.dylib"
@@ -27,7 +28,7 @@ TEST_F(InjectHashTestFixture, TestGoodLib) {
 
     uint8_t *object_bytes_ptr = object_bytes.get();
 
-    ASSERT_EQ(1, inject_hash_no_write(NULL, good_lib_filename.c_str(), good_lib_filename.c_str(), 1, &object_bytes_ptr, &object_bytes_size));
+    ASSERT_EQ(1, inject_hash_no_write(good_lib_filename.c_str(), 1, &object_bytes_ptr, &object_bytes_size));
 }
 
 TEST_F(InjectHashTestFixture, TestBadHashLib) {
@@ -39,7 +40,8 @@ TEST_F(InjectHashTestFixture, TestBadHashLib) {
     int inject_hash_ret;
     testing::internal::CaptureStderr();
 
-    inject_hash_ret = inject_hash_no_write(NULL, bad_hash_lib_filename.c_str(), bad_hash_lib_filename.c_str(), 1, &object_bytes_ptr, &object_bytes_size);
+    inject_hash_ret = inject_hash_no_write(bad_hash_lib_filename.c_str(), 1,
+                             &object_bytes_ptr, &object_bytes_size);
     std::string captured_stderr = testing::internal::GetCapturedStderr();
 
     ASSERT_EQ(0, inject_hash_ret);
@@ -55,7 +57,8 @@ TEST_F(InjectHashTestFixture, TestBadMarkerLib) {
     int inject_hash_ret;
     testing::internal::CaptureStderr();
 
-    inject_hash_ret = inject_hash_no_write(NULL, bad_marker_lib_filename.c_str(), bad_marker_lib_filename.c_str(), 1, &object_bytes_ptr, &object_bytes_size);
+    inject_hash_ret = inject_hash_no_write(bad_marker_lib_filename.c_str(), 1,
+                             &object_bytes_ptr, &object_bytes_size);
     std::string captured_stderr = testing::internal::GetCapturedStderr();
 
     ASSERT_EQ(0, inject_hash_ret);