diff --git a/src/config.h b/src/config.h
index 8327368d9..a6b1a09b4 100644
--- a/src/config.h
+++ b/src/config.h
@@ -127,11 +127,6 @@
  */
 #define CONFIG_ECMA_STACK_FRAME_INLINED_VALUES_NUMBER 16
 
-/**
- * Enable ecma-exception support
- */
-#define CONFIG_ECMA_EXCEPTION_SUPPORT
-
 /**
  * Link Global Environment to an empty declarative lexical environment
  * instead of lexical environment bound to Global Object.
diff --git a/src/ecma/base/ecma-globals.h b/src/ecma/base/ecma-globals.h
index 3bd610c56..c93578f38 100644
--- a/src/ecma/base/ecma-globals.h
+++ b/src/ecma/base/ecma-globals.h
@@ -103,9 +103,7 @@ typedef enum
   ECMA_COMPLETION_TYPE_RETURN, /**< block completed with return */
   ECMA_COMPLETION_TYPE_BREAK, /**< block completed with break */
   ECMA_COMPLETION_TYPE_CONTINUE, /**< block completed with continue */
-#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
   ECMA_COMPLETION_TYPE_THROW, /**< block completed with throw */
-#endif /* CONFIG_ECMA_EXCEPTION_SUPPORT */
   ECMA_COMPLETION_TYPE_EXIT, /**< implementation-defined completion type
                                   for finishing script execution */
   ECMA_COMPLETION_TYPE_META /**< implementation-defined completion type
diff --git a/src/ecma/base/ecma-helpers-value.cpp b/src/ecma/base/ecma-helpers-value.cpp
index e18688ba2..e6bfd79ea 100644
--- a/src/ecma/base/ecma-helpers-value.cpp
+++ b/src/ecma/base/ecma-helpers-value.cpp
@@ -536,9 +536,7 @@ ecma_make_completion_value (ecma_completion_type_t type, /**< type */
                             const ecma_value_t& value) /**< value */
 {
   const bool is_type_ok = (type == ECMA_COMPLETION_TYPE_NORMAL
-#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
                      || type == ECMA_COMPLETION_TYPE_THROW
-#endif /* CONFIG_ECMA_EXCEPTION_SUPPORT */
                      || type == ECMA_COMPLETION_TYPE_RETURN
                      || type == ECMA_COMPLETION_TYPE_EXIT
                      || (type == ECMA_COMPLETION_TYPE_META
@@ -620,13 +618,7 @@ ecma_make_normal_completion_value (const ecma_value_t& value) /**< value */
 ecma_completion_value_t __attribute_pure__ __attribute_always_inline__
 ecma_make_throw_completion_value (const ecma_value_t& value) /**< value */
 {
-#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
   return ecma_make_completion_value (ECMA_COMPLETION_TYPE_THROW, value);
-#else /* CONFIG_ECMA_EXCEPTION_SUPPORT */
-  (void) value;
-
-  jerry_exit (ERR_UNHANDLED_EXCEPTION);
-#endif /* !CONFIG_ECMA_EXCEPTION_SUPPORT */
 } /* ecma_make_throw_completion_value */
 
 /**
@@ -706,9 +698,7 @@ ecma_get_completion_value_value (ecma_completion_value_t completion_value) /**<
   const ecma_completion_type_t type = ecma_get_completion_value_type_field (completion_value);
 
   const bool is_type_ok = (type == ECMA_COMPLETION_TYPE_NORMAL
-#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
                            || type == ECMA_COMPLETION_TYPE_THROW
-#endif /* CONFIG_ECMA_EXCEPTION_SUPPORT */
                            || type == ECMA_COMPLETION_TYPE_RETURN
                            || type == ECMA_COMPLETION_TYPE_EXIT);
 
@@ -760,9 +750,7 @@ ecma_copy_completion_value (ecma_completion_value_t value) /**< completion value
 {
   const ecma_completion_type_t type = ecma_get_completion_value_type_field (value);
   const bool is_type_ok = (type == ECMA_COMPLETION_TYPE_NORMAL
-#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
                            || type == ECMA_COMPLETION_TYPE_THROW
-#endif /* CONFIG_ECMA_EXCEPTION_SUPPORT */
                            || type == ECMA_COMPLETION_TYPE_RETURN
                            || type == ECMA_COMPLETION_TYPE_EXIT);
 
@@ -782,9 +770,7 @@ ecma_free_completion_value (ecma_completion_value_t completion_value) /**< compl
   switch (ecma_get_completion_value_type_field (completion_value))
   {
     case ECMA_COMPLETION_TYPE_NORMAL:
-#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
     case ECMA_COMPLETION_TYPE_THROW:
-#endif /* CONFIG_ECMA_EXCEPTION_SUPPORT */
     case ECMA_COMPLETION_TYPE_RETURN:
     {
       ecma_value_t v = ecma_get_completion_value_value_field (completion_value);
@@ -831,13 +817,7 @@ ecma_is_completion_value_normal (ecma_completion_value_t value) /**< completion
 bool __attribute_const__ __attribute_always_inline__
 ecma_is_completion_value_throw (ecma_completion_value_t value) /**< completion value */
 {
-#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
   return (ecma_get_completion_value_type_field (value) == ECMA_COMPLETION_TYPE_THROW);
-#else /* CONFIG_ECMA_EXCEPTION_SUPPORT */
-  (void) value;
-
-  return false;
-#endif /* !CONFIG_ECMA_EXCEPTION_SUPPORT */
 } /* ecma_is_completion_value_throw */
 
 /**