diff --git a/tests/data/large-write-file.txt b/tests/data/large-write-file.txt
deleted file mode 100644
index 888ba35..0000000
Binary files a/tests/data/large-write-file.txt and /dev/null differ
diff --git a/tests/data/small-write-file.txt b/tests/data/small-write-file.txt
deleted file mode 100644
index 2dd9088..0000000
--- a/tests/data/small-write-file.txt
+++ /dev/null
@@ -1 +0,0 @@
-Hello, World!Hello, World!
\ No newline at end of file
diff --git a/tests/unit/file.c b/tests/unit/file.c
index b2bd68d..b95958c 100644
--- a/tests/unit/file.c
+++ b/tests/unit/file.c
@@ -703,6 +703,29 @@ COSMS_CORE_TEST_TEST(file_write_full_file_using_wrong_mode,
     return NULL;
 )
 
-COSMS_CORE_TEST_TEST(file_delete,
+COSMS_CORE_TEST_TEST(file_delete_small_file,
+    CosmsCoreFileError error = cosms_core_file_delete("tests/data/small-write-file.txt");
+    if (error != COSMS_CORE_FILE_OK) {
+        return cosms_core_file_error_string(error);
+    }
+    
+    return NULL;
+)
+
+COSMS_CORE_TEST_TEST(file_delete_large_file, 
+    CosmsCoreFileError error = cosms_core_file_delete("tests/data/large-write-file.txt");
+    if (error != COSMS_CORE_FILE_OK) {
+        return cosms_core_file_error_string(error);
+    }
+
+    return NULL;
+)
+
+COSMS_CORE_TEST_TEST(file_delete_non_existing_file, 
+    CosmsCoreFileError error = cosms_core_file_delete("non-existing-file.cosms");
+    if (error != COSMS_CORE_FILE_NOT_FOUND) {
+        return cosms_core_file_error_string(error);
+    }
+
     return NULL;
 )
diff --git a/tests/unit/file.h b/tests/unit/file.h
index adbe567..3d54417 100644
--- a/tests/unit/file.h
+++ b/tests/unit/file.h
@@ -42,7 +42,9 @@ COSMS_CORE_TEST_DEFINE(file_write_append_large_file);
 COSMS_CORE_TEST_DEFINE(file_write_using_wrong_mode);
 COSMS_CORE_TEST_DEFINE(file_write_full_file_using_wrong_mode);
 
-COSMS_CORE_TEST_DEFINE(file_delete);
+COSMS_CORE_TEST_DEFINE(file_delete_small_file);
+COSMS_CORE_TEST_DEFINE(file_delete_large_file);
+COSMS_CORE_TEST_DEFINE(file_delete_non_existing_file);
 
 COSMS_CORE_TEST_EXPORT(file, 
     COSMS_CORE_TEST_EXPORT_TEST(file_open_small_file_read),
@@ -76,7 +78,9 @@ COSMS_CORE_TEST_EXPORT(file,
     COSMS_CORE_TEST_EXPORT_TEST(file_write_using_wrong_mode),
     COSMS_CORE_TEST_EXPORT_TEST(file_write_full_file_using_wrong_mode),
 
-    COSMS_CORE_TEST_EXPORT_TEST(file_delete)
+    COSMS_CORE_TEST_EXPORT_TEST(file_delete_small_file),
+    COSMS_CORE_TEST_EXPORT_TEST(file_delete_large_file),
+    COSMS_CORE_TEST_EXPORT_TEST(file_delete_non_existing_file)
 );
 
 #endif
\ No newline at end of file