diff --git a/src/globals.h b/src/globals.h
index 2ea1a52af..ce2dc2f8f 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -116,6 +116,7 @@ extern void __noreturn jerry_unimplemented (const char *comment, const char *fil
  * Mark for unreachable points and unimplemented cases
  */
 extern void jerry_ref_unused_variables (int unused_variables_follow, ...);
+#ifndef JERRY_NDEBUG
 #define JERRY_UNREACHABLE() \
   do \
   { \
@@ -137,7 +138,29 @@ extern void jerry_ref_unused_variables (int unused_variables_follow, ...);
       jerry_ref_unused_variables (0, __VA_ARGS__); \
     } \
   } while (0)
+#else /* !JERRY_NDEBUG */
+#define JERRY_UNREACHABLE() \
+  do \
+  { \
+    jerry_unreachable (NULL, NULL, NULL, 0); \
+  } while (0)
 
+#define JERRY_UNIMPLEMENTED() \
+  do \
+  { \
+    jerry_unimplemented (NULL, NULL, NULL, 0); \
+  } while (0)
+
+#define JERRY_UNIMPLEMENTED_REF_UNUSED_VARS(...) \
+  do \
+  { \
+    jerry_unimplemented (NULL, NULL, NULL, 0); \
+    if (false) \
+    { \
+      jerry_ref_unused_variables (0, __VA_ARGS__); \
+    } \
+  } while (0)
+#endif /* JERRY_NDEBUG */
 /**
  * Conditions' likeliness, unlikeliness.
  */
diff --git a/src/libruntime/target/linux/jerry-assert.c b/src/libruntime/target/linux/jerry-assert.c
index f0cf0ea33..3141a5dec 100644
--- a/src/libruntime/target/linux/jerry-assert.c
+++ b/src/libruntime/target/linux/jerry-assert.c
@@ -25,8 +25,15 @@ jerry_assert_fail (const char *assertion, /**< assertion condition string */
                    const char *function, /**< function name */
                    const uint32_t line) /** line */
 {
+#ifndef JERRY_NDEBUG
   __printf ("ICE: Assertion '%s' failed at %s(%s):%u.\n",
             assertion, file, function, line);
+#else /* !JERRY_NDEBUG */
+  (void) assertion;
+  (void) file;
+  (void) function;
+  (void) line;
+#endif /* JERRY_NDEBUG */
 
   __exit (-ERR_FAILED_INTERNAL_ASSERTION);
 } /* jerry_assert_fail */
@@ -41,7 +48,14 @@ jerry_unreachable (const char *comment, /**< comment to unreachable mark if exis
                    const char *function, /**< function name */
                    const uint32_t line) /**< line */
 {
+#ifndef JERRY_NDEBUG
   __printf ("ICE: Unreachable control path at %s(%s):%u was executed", file, function, line);
+#else /* !JERRY_NDEBUG */
+  (void) file;
+  (void) function;
+  (void) line;
+#endif /* JERRY_NDEBUG */
+
   if (comment != NULL)
   {
     __printf ("(%s)", comment);
@@ -61,7 +75,14 @@ jerry_unimplemented (const char *comment, /**< comment to unimplemented mark if
                      const char *function, /**< function name */
                      const uint32_t line) /**< line */
 {
+#ifndef JERRY_NDEBUG
   __printf ("SORRY: Unimplemented case at %s(%s):%u was executed", file, function, line);
+#else /* !JERRY_NDEBUG */
+  (void) file;
+  (void) function;
+  (void) line;
+#endif /* JERRY_NDEBUG */
+
   if (comment != NULL)
   {
     __printf ("(%s)", comment);