diff --git a/xtest.c b/xtest.c
index f185648..39643da 100644
--- a/xtest.c
+++ b/xtest.c
@@ -20,6 +20,10 @@ struct xtest_assert_info assertion_info;
 #define XTEST_TEST_NAME_MAX_LENGTH 1023
 #endif
 
+#ifndef XTEST_INDENT
+#define XTEST_INDENT 2
+#endif
+
 const char * group_nesting[XTEST_MAX_GROUP_NESTING];
 int group_nesting_pos = 0;
 
diff --git a/xtest.h b/xtest.h
index 14d7635..5650eb4 100644
--- a/xtest.h
+++ b/xtest.h
@@ -8,11 +8,6 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <assert.h>
-
-#ifndef XTEST_INDENT
-#define XTEST_INDENT 2
-#endif
 
 typedef void (*xtest_test_fn)(void *, void **);
 typedef void (*xtest_setup_fn)(void **);