diff --git a/quickjs.c b/quickjs.c
index 2fcd29ad1..d2ef57c38 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -96,7 +96,7 @@
 /* dump objects freed by the garbage collector */
 //#define DUMP_GC_FREE
 /* dump objects leaking when freeing the runtime */
-//#define DUMP_LEAKS  1
+#define DUMP_LEAKS 0
 /* dump memory usage before running the garbage collector */
 //#define DUMP_MEM
 //#define DUMP_OBJECTS    /* dump objects in JS_FreeContext */
@@ -1291,7 +1291,6 @@ static JSValue JS_ToNumber(JSContext *ctx, JSValueConst val);
 static int JS_SetPropertyValue(JSContext *ctx, JSValueConst this_obj,
                                JSValue prop, JSValue val, int flags);
 static int JS_NumberIsInteger(JSContext *ctx, JSValueConst val);
-static BOOL JS_NumberIsNegativeOrMinusZero(JSContext *ctx, JSValueConst val);
 static JSValue JS_ToNumberFree(JSContext *ctx, JSValue val);
 static int JS_GetOwnPropertyInternal(JSContext *ctx, JSPropertyDescriptor *desc,
                                      JSObject *p, JSAtom prop);
@@ -4612,7 +4611,7 @@ static JSValue js_rebalancee_string_rope(JSContext *ctx, JSValueConst rope)
 
 /* op1 and op2 are converted to strings. For convenience, op1 or op2 =
    JS_EXCEPTION are accepted and return JS_EXCEPTION.  */
-static JSValue JS_ConcatString(JSContext *ctx, JSValue op1, JSValue op2)
+JSValue JS_ConcatString(JSContext *ctx, JSValue op1, JSValue op2)
 {
     JSString *p1, *p2;
 
@@ -13103,7 +13102,7 @@ static int JS_NumberIsInteger(JSContext *ctx, JSValueConst val)
     return isfinite(d) && floor(d) == d;
 }
 
-static BOOL JS_NumberIsNegativeOrMinusZero(JSContext *ctx, JSValueConst val)
+BOOL JS_NumberIsNegativeOrMinusZero(JSContext *ctx, JSValueConst val)
 {
     uint32_t tag;
 
@@ -55650,7 +55649,6 @@ int JS_AddIntrinsicBaseObjects(JSContext *ctx)
         return -1;
     return 0;
 }
-
 /* Typed Arrays */
 
 static uint8_t const typed_array_size_log2[JS_TYPED_ARRAY_COUNT] = {
diff --git a/quickjs.h b/quickjs.h
index 92cc000d0..dee1dd181 100644
--- a/quickjs.h
+++ b/quickjs.h
@@ -1161,6 +1161,9 @@ void JS_PrintValueRT(JSRuntime *rt, JSPrintValueWrite *write_func, void *write_o
 void JS_PrintValue(JSContext *ctx, JSPrintValueWrite *write_func, void *write_opaque,
                    JSValueConst val, const JSPrintValueOptions *options);
 
+JSValue JS_ConcatString(JSContext *ctx, JSValue op1, JSValue op2);
+JS_BOOL JS_NumberIsNegativeOrMinusZero(JSContext *ctx, JSValueConst val);
+
 #undef js_unlikely
 #undef js_force_inline