diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index f7c1779..e63c500 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -57,8 +57,6 @@ if(ENABLE_CJSON_TEST)
         compare_tests
     )
 
-    add_library(test-common common.c)
-
     option(ENABLE_VALGRIND OFF "Enable the valgrind memory checker for the tests.")
     if (ENABLE_VALGRIND)
         find_program(MEMORYCHECK_COMMAND valgrind)
@@ -72,7 +70,7 @@ if(ENABLE_CJSON_TEST)
 
     foreach(unity_test ${unity_tests})
         add_executable("${unity_test}" "${unity_test}.c")
-        target_link_libraries("${unity_test}" "${CJSON_LIB}" unity test-common)
+        target_link_libraries("${unity_test}" "${CJSON_LIB}" unity)
         if(MEMORYCHECK_COMMAND)
             add_test(NAME "${unity_test}"
                 COMMAND "${MEMORYCHECK_COMMAND}" ${MEMORYCHECK_COMMAND_OPTIONS} "${CMAKE_CURRENT_BINARY_DIR}/${unity_test}")
@@ -97,7 +95,7 @@ if(ENABLE_CJSON_TEST)
 
         foreach (cjson_utils_test ${cjson_utils_tests})
             add_executable("${cjson_utils_test}" "${cjson_utils_test}.c")
-            target_link_libraries("${cjson_utils_test}" "${CJSON_LIB}" "${CJSON_UTILS_LIB}" unity test-common)
+            target_link_libraries("${cjson_utils_test}" "${CJSON_LIB}" "${CJSON_UTILS_LIB}" unity)
             if(MEMORYCHECK_COMMAND)
                 add_test(NAME "${cjson_utils_test}"
                     COMMAND "${MEMORYCHECK_COMMAND}" ${MEMORYCHECK_COMMAND_OPTIONS} "${CMAKE_CURRENT_BINARY_DIR}/${cjson_utils_test}")
diff --git a/tests/common.c b/tests/common.c
deleted file mode 100644
index 12022e1..0000000
--- a/tests/common.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
-  Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
-
-  Permission is hereby granted, free of charge, to any person obtaining a copy
-  of this software and associated documentation files (the "Software"), to deal
-  in the Software without restriction, including without limitation the rights
-  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-  copies of the Software, and to permit persons to whom the Software is
-  furnished to do so, subject to the following conditions:
-
-  The above copyright notice and this permission notice shall be included in
-  all copies or substantial portions of the Software.
-
-  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-  THE SOFTWARE.
-*/
-
-#include "common.h"
-
-CJSON_PUBLIC(void) reset(cJSON *item)
-{
-    if ((item != NULL) && (item->child != NULL))
-    {
-        cJSON_Delete(item->child);
-    }
-    if ((item->valuestring != NULL) && !(item->type & cJSON_IsReference))
-    {
-        global_hooks.deallocate(item->valuestring);
-    }
-    if ((item->string != NULL) && !(item->type & cJSON_StringIsConst))
-    {
-        global_hooks.deallocate(item->string);
-    }
-
-    memset(item, 0, sizeof(cJSON));
-}
-
-CJSON_PUBLIC(char*) read_file(const char *filename)
-{
-    FILE *file = NULL;
-    long length = 0;
-    char *content = NULL;
-    size_t read_chars = 0;
-
-    /* open in read binary mode */
-    file = fopen(filename, "rb");
-    if (file == NULL)
-    {
-        goto cleanup;
-    }
-
-    /* get the length */
-    if (fseek(file, 0, SEEK_END) != 0)
-    {
-        goto cleanup;
-    }
-    length = ftell(file);
-    if (length < 0)
-    {
-        goto cleanup;
-    }
-    if (fseek(file, 0, SEEK_SET) != 0)
-    {
-        goto cleanup;
-    }
-
-    /* allocate content buffer */
-    content = (char*)malloc((size_t)length + sizeof(""));
-    if (content == NULL)
-    {
-        goto cleanup;
-    }
-
-    /* read the file into memory */
-    read_chars = fread(content, sizeof(char), (size_t)length, file);
-    if ((long)read_chars != length)
-    {
-        free(content);
-        content = NULL;
-        goto cleanup;
-    }
-    content[read_chars] = '\0';
-
-
-cleanup:
-    if (file != NULL)
-    {
-        fclose(file);
-    }
-
-    return content;
-}
diff --git a/tests/common.h b/tests/common.h
index 97c09bf..4db6bf8 100644
--- a/tests/common.h
+++ b/tests/common.h
@@ -25,8 +25,79 @@
 
 #include "../cJSON.c"
 
-CJSON_PUBLIC(void) reset(cJSON *item);
-CJSON_PUBLIC(char*) read_file(const char *filename);
+void reset(cJSON *item);
+void reset(cJSON *item) {
+    if ((item != NULL) && (item->child != NULL))
+    {
+        cJSON_Delete(item->child);
+    }
+    if ((item->valuestring != NULL) && !(item->type & cJSON_IsReference))
+    {
+        global_hooks.deallocate(item->valuestring);
+    }
+    if ((item->string != NULL) && !(item->type & cJSON_StringIsConst))
+    {
+        global_hooks.deallocate(item->string);
+    }
+
+    memset(item, 0, sizeof(cJSON));
+}
+
+char* read_file(const char *filename);
+char* read_file(const char *filename) {
+    FILE *file = NULL;
+    long length = 0;
+    char *content = NULL;
+    size_t read_chars = 0;
+
+    /* open in read binary mode */
+    file = fopen(filename, "rb");
+    if (file == NULL)
+    {
+        goto cleanup;
+    }
+
+    /* get the length */
+    if (fseek(file, 0, SEEK_END) != 0)
+    {
+        goto cleanup;
+    }
+    length = ftell(file);
+    if (length < 0)
+    {
+        goto cleanup;
+    }
+    if (fseek(file, 0, SEEK_SET) != 0)
+    {
+        goto cleanup;
+    }
+
+    /* allocate content buffer */
+    content = (char*)malloc((size_t)length + sizeof(""));
+    if (content == NULL)
+    {
+        goto cleanup;
+    }
+
+    /* read the file into memory */
+    read_chars = fread(content, sizeof(char), (size_t)length, file);
+    if ((long)read_chars != length)
+    {
+        free(content);
+        content = NULL;
+        goto cleanup;
+    }
+    content[read_chars] = '\0';
+
+
+cleanup:
+    if (file != NULL)
+    {
+        fclose(file);
+    }
+
+    return content;
+}
 
 /* assertion helper macros */
 #define assert_has_type(item, item_type) TEST_ASSERT_BITS_MESSAGE(0xFF, item_type, item->type, "Item doesn't have expected type.")