diff --git a/jerry-core/api/jerry-snapshot.c b/jerry-core/api/jerry-snapshot.c
index 33760b299f..9a5f642ba0 100644
--- a/jerry-core/api/jerry-snapshot.c
+++ b/jerry-core/api/jerry-snapshot.c
@@ -123,11 +123,7 @@ snapshot_write_to_buffer_by_offset (uint8_t *buffer_p, /**< buffer */
 /**
  * Maximum snapshot write buffer offset.
  */
-#if !JERRY_NUMBER_TYPE_FLOAT64
-#define JERRY_SNAPSHOT_MAXIMUM_WRITE_OFFSET (0x7fffff >> 1)
-#else /* JERRY_NUMBER_TYPE_FLOAT64 */
 #define JERRY_SNAPSHOT_MAXIMUM_WRITE_OFFSET (UINT32_MAX >> 1)
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Save snapshot helper.
diff --git a/jerry-core/api/jerryscript.c b/jerry-core/api/jerryscript.c
index d8174b92c0..e2ea5f2372 100644
--- a/jerry-core/api/jerryscript.c
+++ b/jerry-core/api/jerryscript.c
@@ -6587,9 +6587,7 @@ static jerry_typedarray_mapping_t jerry_typedarray_mappings[] = {
   TYPEDARRAY_ENTRY (INT8, INT8, 0),         TYPEDARRAY_ENTRY (UINT16, UINT16, 1),
   TYPEDARRAY_ENTRY (INT16, INT16, 1),       TYPEDARRAY_ENTRY (UINT32, UINT32, 2),
   TYPEDARRAY_ENTRY (INT32, INT32, 2),       TYPEDARRAY_ENTRY (FLOAT32, FLOAT32, 2),
-#if JERRY_NUMBER_TYPE_FLOAT64
   TYPEDARRAY_ENTRY (FLOAT64, FLOAT64, 3),
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
   TYPEDARRAY_ENTRY (BIGINT64, BIGINT64, 3), TYPEDARRAY_ENTRY (BIGUINT64, BIGUINT64, 3),
 #endif /* JERRY_BUILTIN_BIGINT */
diff --git a/jerry-core/config.h b/jerry-core/config.h
index 002f49e3ca..b16bb1b635 100644
--- a/jerry-core/config.h
+++ b/jerry-core/config.h
@@ -666,13 +666,6 @@
  * Cross component requirements check.
  */
 
-/**
- * The date module can only use the float 64 number types.
- */
-#if JERRY_BUILTIN_DATE && !JERRY_NUMBER_TYPE_FLOAT64
-#error "Date does not support float32"
-#endif /* JERRY_BUILTIN_DATE && !JERRY_NUMBER_TYPE_FLOAT64 */
-
 /**
  * Source name related types into a single guard
  */
diff --git a/jerry-core/ecma/base/ecma-error-messages.inc.h b/jerry-core/ecma/base/ecma-error-messages.inc.h
index 64a18f8937..11fd28ba03 100644
--- a/jerry-core/ecma/base/ecma-error-messages.inc.h
+++ b/jerry-core/ecma/base/ecma-error-messages.inc.h
@@ -472,10 +472,8 @@ ECMA_ERROR_DEF (ECMA_ERR_ARGUMENT_THIS_NOT_BOOLEAN_OBJECT, "Argument 'this' is n
 ECMA_ERROR_DEF (ECMA_ERR_CANNOT_DECLARE_SAME_PRIVATE_FIELD_TWICE, "Cannot declare same private field twice")
 #if JERRY_BUILTIN_TYPEDARRAY
 ECMA_ERROR_DEF (ECMA_ERR_CONSTRUCTOR_FLOAT32_ARRAY_REQUIRES_NEW, "Constructor Float32Array requires 'new'")
-#endif /* JERRY_BUILTIN_TYPEDARRAY */
-#if JERRY_BUILTIN_TYPEDARRAY && JERRY_NUMBER_TYPE_FLOAT64
 ECMA_ERROR_DEF (ECMA_ERR_CONSTRUCTOR_FLOAT64_ARRAY_REQUIRES_NEW, "Constructor Float64Array requires 'new'")
-#endif /* JERRY_BUILTIN_TYPEDARRAY && JERRY_NUMBER_TYPE_FLOAT64 */
+#endif /* JERRY_BUILTIN_TYPEDARRAY */
 ECMA_ERROR_DEF (ECMA_ERR_FUNCTION_PROTOTYPE_NOT_A_CONSTRUCTOR, "Function.prototype is not a constructor")
 #if JERRY_MODULE_SYSTEM
 ECMA_ERROR_DEF (ECMA_ERR_IMPORTED_BINDING_SHADOWS_LOCAL_VARIABLE, "Imported binding shadows local variable")
diff --git a/jerry-core/ecma/base/ecma-globals.h b/jerry-core/ecma/base/ecma-globals.h
index ae5ed10523..526f269be3 100644
--- a/jerry-core/ecma/base/ecma-globals.h
+++ b/jerry-core/ecma/base/ecma-globals.h
@@ -218,45 +218,23 @@ enum
 #endif /* JERRY_BUILTIN_GLOBAL_THIS */
 };
 
-#if !JERRY_NUMBER_TYPE_FLOAT64
 /**
  * Maximum integer number for an ecma value
  */
-#define ECMA_INTEGER_NUMBER_MAX 0x7fffff
-/**
- * Maximum integer number for an ecma value (shifted left with ECMA_DIRECT_SHIFT)
- */
-#define ECMA_INTEGER_NUMBER_MAX_SHIFTED 0x7fffff0
-#else /* JERRY_NUMBER_TYPE_FLOAT64 */
-/**
- * Maximum integer number for an ecma value
- */
-#define ECMA_INTEGER_NUMBER_MAX         0x7ffffff
+#define ECMA_INTEGER_NUMBER_MAX 0x7ffffff
 /**
  * Maximum integer number for an ecma value (shifted left with ECMA_DIRECT_SHIFT)
  */
 #define ECMA_INTEGER_NUMBER_MAX_SHIFTED 0x7ffffff0
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
-#if !JERRY_NUMBER_TYPE_FLOAT64
-/**
- * Minimum integer number for an ecma value
- */
-#define ECMA_INTEGER_NUMBER_MIN -0x7fffff
-/**
- * Minimum integer number for an ecma value (shifted left with ECMA_DIRECT_SHIFT)
- */
-#define ECMA_INTEGER_NUMBER_MIN_SHIFTED -0x7fffff0
-#else /* JERRY_NUMBER_TYPE_FLOAT64 */
 /**
  * Minimum integer number for an ecma value
  */
-#define ECMA_INTEGER_NUMBER_MIN         -0x8000000
+#define ECMA_INTEGER_NUMBER_MIN -0x8000000
 /**
  * Minimum integer number for an ecma value (shifted left with ECMA_DIRECT_SHIFT)
  */
 #define ECMA_INTEGER_NUMBER_MIN_SHIFTED (-0x7fffffff - 1) /* -0x80000000 */
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 #if ECMA_DIRECT_SHIFT != 4
 #error "Please update ECMA_INTEGER_NUMBER_MIN/MAX_SHIFTED according to the new value of ECMA_DIRECT_SHIFT."
@@ -270,11 +248,7 @@ enum
 /**
  * Maximum integer number, which if squared, still fits in ecma_integer_value_t
  */
-#if !JERRY_NUMBER_TYPE_FLOAT64
-#define ECMA_INTEGER_MULTIPLY_MAX 0xb50
-#else /* JERRY_NUMBER_TYPE_FLOAT64 */
 #define ECMA_INTEGER_MULTIPLY_MAX 0x2d41
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Checks whether the error flag is set.
@@ -1333,11 +1307,7 @@ typedef struct
 /**
  * Description of an ecma-number
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 typedef double ecma_number_t;
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-typedef float ecma_number_t;
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Convert double to an ecma-number.
diff --git a/jerry-core/ecma/base/ecma-helpers-conversion.c b/jerry-core/ecma/base/ecma-helpers-conversion.c
index cae04a1dbd..819282d826 100644
--- a/jerry-core/ecma/base/ecma-helpers-conversion.c
+++ b/jerry-core/ecma/base/ecma-helpers-conversion.c
@@ -30,8 +30,6 @@
  * @{
  */
 
-#if JERRY_NUMBER_TYPE_FLOAT64
-
 /**
  * \addtogroup ecmahelpersbigintegers Helpers for operations intermediate 128-bit integers
  * @{
@@ -253,28 +251,6 @@ ecma_uint64_normalize_shift (uint64_t n) /**< integer to count leading zeros in
  * @}
  */
 
-/**
- * Number.MAX_VALUE exponent part when using 64 bit float representation.
- */
-#define NUMBER_MAX_DECIMAL_EXPONENT 308
-/**
- * Number.MIN_VALUE exponent part when using 64 bit float representation.
- */
-#define NUMBER_MIN_DECIMAL_EXPONENT -324
-
-#elif !JERRY_NUMBER_TYPE_FLOAT64
-
-/**
- * Number.MAX_VALUE exponent part when using 32 bit float representation.
- */
-#define NUMBER_MAX_DECIMAL_EXPONENT 38
-/**
- * Number.MIN_VALUE exponent part when using 32 bit float representation.
- */
-#define NUMBER_MIN_DECIMAL_EXPONENT -45
-
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
-
 /**
  * Value of epsilon
  */
@@ -535,7 +511,6 @@ ecma_utf8_string_to_number (const lit_utf8_byte_t *str_p, /**< utf-8 string */
     return sign ? -ECMA_NUMBER_ZERO : ECMA_NUMBER_ZERO;
   }
 
-#if JERRY_NUMBER_TYPE_FLOAT64
   /*
    * 128-bit mantissa storage
    *
@@ -628,25 +603,6 @@ ecma_utf8_string_to_number (const lit_utf8_byte_t *str_p, /**< utf-8 string */
   JERRY_ASSERT (significand < (1ull << ECMA_NUMBER_FRACTION_WIDTH));
 
   return ecma_number_create (sign, (uint32_t) binary_exponent, significand);
-#elif !JERRY_NUMBER_TYPE_FLOAT64
-  /* Less precise conversion */
-  ecma_number_t num = (ecma_number_t) (uint32_t) fraction_uint64;
-
-  ecma_number_t m = e_sign ? (ecma_number_t) 0.1 : (ecma_number_t) 10.0;
-
-  while (e)
-  {
-    if (e % 2)
-    {
-      num *= m;
-    }
-
-    m *= m;
-    e /= 2;
-  }
-
-  return num;
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 } /* ecma_utf8_string_to_number */
 
 /**
diff --git a/jerry-core/ecma/base/ecma-helpers-number.h b/jerry-core/ecma/base/ecma-helpers-number.h
index 85969d15c5..b3a006ce2a 100644
--- a/jerry-core/ecma/base/ecma-helpers-number.h
+++ b/jerry-core/ecma/base/ecma-helpers-number.h
@@ -23,11 +23,7 @@
 /**
  * Binary representation of an ecma-number
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 typedef uint64_t ecma_binary_num_t;
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-typedef uint32_t ecma_binary_num_t;
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Makes it possible to read/write the binary representation of an ecma_number_t
@@ -50,11 +46,7 @@ ecma_number_t ecma_number_create (bool sign, uint32_t biased_exp, uint64_t fract
 /**
  * Maximum number of significant decimal digits that an ecma-number can store
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_MAX_DIGITS (19)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_MAX_DIGITS (9)
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Width of sign field
@@ -70,20 +62,12 @@ ecma_number_t ecma_number_create (bool sign, uint32_t biased_exp, uint64_t fract
  * See also:
  *          IEEE-754 2008, 3.6, Table 3.5
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_BIASED_EXP_WIDTH (11)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_BIASED_EXP_WIDTH (8)
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Exponent bias
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_EXPONENT_BIAS (1023)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_EXPONENT_BIAS (127)
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Width of fraction field
@@ -91,38 +75,22 @@ ecma_number_t ecma_number_create (bool sign, uint32_t biased_exp, uint64_t fract
  * See also:
  *          IEEE-754 2008, 3.6, Table 3.5
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_FRACTION_WIDTH (52)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_FRACTION_WIDTH (23)
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Sign bit in ecma-numbers
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_SIGN_BIT 0x8000000000000000ull
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_SIGN_BIT 0x7f800000u;
-#endif /* !JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Binary representation of an IEEE-754 QNaN value.
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_BINARY_QNAN 0x7ff8000000000000ull
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_BINARY_QNAN 0x7fc00000u
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Binary representation of an IEEE-754 Infinity value.
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_BINARY_INF 0x7ff0000000000000ull
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_BINARY_INF 0x7f800000u
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Binary representation of an IEEE-754 zero value.
@@ -134,73 +102,45 @@ ecma_number_t ecma_number_create (bool sign, uint32_t biased_exp, uint64_t fract
  *
  * See also: ECMA_262 v5, 15.7.3.3
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_MIN_VALUE ((ecma_number_t) 5e-324)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_MIN_VALUE (FLT_MIN)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Number.MAX_VALUE (i.e., the maximum value of ecma-number)
  *
  * See also: ECMA_262 v5, 15.7.3.2
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_MAX_VALUE ((ecma_number_t) 1.7976931348623157e+308)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_MAX_VALUE (FLT_MAX)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Number.EPSILON
  *
  * See also: ECMA_262 v6, 20.1.2.1
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_EPSILON ((ecma_number_t) 2.2204460492503130808472633361816e-16)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_EPSILON ((ecma_number_t) 1.1920928955078125e-7)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Number.MAX_SAFE_INTEGER
  *
  * See also: ECMA_262 v6, 20.1.2.6
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_MAX_SAFE_INTEGER ((ecma_number_t) 0x1FFFFFFFFFFFFF)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_MAX_SAFE_INTEGER ((ecma_number_t) 0xFFFFFF)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Number.MIN_SAFE_INTEGER
  *
  * See also: ECMA_262 v6, 20.1.2.8
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define ECMA_NUMBER_MIN_SAFE_INTEGER ((ecma_number_t) -0x1FFFFFFFFFFFFF)
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define ECMA_NUMBER_MIN_SAFE_INTEGER ((ecma_number_t) -0xFFFFFF)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Number.MAX_VALUE exponent part
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define NUMBER_MAX_DECIMAL_EXPONENT 308
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define NUMBER_MAX_DECIMAL_EXPONENT 38
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Number.MIN_VALUE exponent part
  */
-#if JERRY_NUMBER_TYPE_FLOAT64
 #define NUMBER_MIN_DECIMAL_EXPONENT -324
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-#define NUMBER_MIN_DECIMAL_EXPONENT -45
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 /**
  * Euler number
diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.c b/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.c
index 6cb9ba3a65..1342ac52c8 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.c
+++ b/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.c
@@ -49,9 +49,7 @@ enum
   ECMA_DATAVIEW_PROTOTYPE_GET_INT32,
   ECMA_DATAVIEW_PROTOTYPE_GET_UINT32,
   ECMA_DATAVIEW_PROTOTYPE_GET_FLOAT32,
-#if JERRY_NUMBER_TYPE_FLOAT64
   ECMA_DATAVIEW_PROTOTYPE_GET_FLOAT64,
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
   ECMA_DATAVIEW_PROTOTYPE_GET_BIGINT64,
   ECMA_DATAVIEW_PROTOTYPE_GET_BIGUINT64,
@@ -64,9 +62,7 @@ enum
   ECMA_DATAVIEW_PROTOTYPE_SET_INT32,
   ECMA_DATAVIEW_PROTOTYPE_SET_UINT32,
   ECMA_DATAVIEW_PROTOTYPE_SET_FLOAT32,
-#if JERRY_NUMBER_TYPE_FLOAT64
   ECMA_DATAVIEW_PROTOTYPE_SET_FLOAT64,
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
   ECMA_DATAVIEW_PROTOTYPE_SET_BIGINT64,
   ECMA_DATAVIEW_PROTOTYPE_SET_BIGUINT64,
@@ -162,9 +158,7 @@ ecma_builtin_dataview_prototype_dispatch_routine (uint8_t builtin_routine_id, /*
       return ecma_builtin_dataview_prototype_object_getters (this_arg, builtin_routine_id);
     }
     case ECMA_DATAVIEW_PROTOTYPE_GET_FLOAT32:
-#if JERRY_NUMBER_TYPE_FLOAT64
     case ECMA_DATAVIEW_PROTOTYPE_GET_FLOAT64:
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
     case ECMA_DATAVIEW_PROTOTYPE_GET_INT16:
     case ECMA_DATAVIEW_PROTOTYPE_GET_INT32:
     case ECMA_DATAVIEW_PROTOTYPE_GET_UINT16:
@@ -183,9 +177,7 @@ ecma_builtin_dataview_prototype_dispatch_routine (uint8_t builtin_routine_id, /*
                                                   id);
     }
     case ECMA_DATAVIEW_PROTOTYPE_SET_FLOAT32:
-#if JERRY_NUMBER_TYPE_FLOAT64
     case ECMA_DATAVIEW_PROTOTYPE_SET_FLOAT64:
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
     case ECMA_DATAVIEW_PROTOTYPE_SET_INT16:
     case ECMA_DATAVIEW_PROTOTYPE_SET_INT32:
     case ECMA_DATAVIEW_PROTOTYPE_SET_UINT16:
diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.inc.h b/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.inc.h
index 82ef26b1d3..ab4453b37a 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.inc.h
+++ b/jerry-core/ecma/builtin-objects/ecma-builtin-dataview-prototype.inc.h
@@ -33,9 +33,7 @@ STRING_VALUE (LIT_GLOBAL_SYMBOL_TO_STRING_TAG, LIT_MAGIC_STRING_DATAVIEW_UL, ECM
 /* Routine properties:
  *  (property name, C routine name, arguments number or NON_FIXED, value of the routine's length property) */
 ROUTINE (LIT_MAGIC_STRING_GET_FLOAT_32_UL, ECMA_DATAVIEW_PROTOTYPE_GET_FLOAT32, 2, 1)
-#if JERRY_NUMBER_TYPE_FLOAT64
 ROUTINE (LIT_MAGIC_STRING_GET_FLOAT_64_UL, ECMA_DATAVIEW_PROTOTYPE_GET_FLOAT64, 2, 1)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 ROUTINE (LIT_MAGIC_STRING_GET_INT8_UL, ECMA_DATAVIEW_PROTOTYPE_GET_INT8, 1, 1)
 ROUTINE (LIT_MAGIC_STRING_GET_INT16_UL, ECMA_DATAVIEW_PROTOTYPE_GET_INT16, 2, 1)
 ROUTINE (LIT_MAGIC_STRING_GET_INT32_UL, ECMA_DATAVIEW_PROTOTYPE_GET_INT32, 2, 1)
@@ -43,9 +41,7 @@ ROUTINE (LIT_MAGIC_STRING_GET_UINT8_UL, ECMA_DATAVIEW_PROTOTYPE_GET_UINT8, 2, 1)
 ROUTINE (LIT_MAGIC_STRING_GET_UINT16_UL, ECMA_DATAVIEW_PROTOTYPE_GET_UINT16, 2, 1)
 ROUTINE (LIT_MAGIC_STRING_GET_UINT32_UL, ECMA_DATAVIEW_PROTOTYPE_GET_UINT32, 2, 1)
 ROUTINE (LIT_MAGIC_STRING_SET_FLOAT_32_UL, ECMA_DATAVIEW_PROTOTYPE_SET_FLOAT32, 2, 2)
-#if JERRY_NUMBER_TYPE_FLOAT64
 ROUTINE (LIT_MAGIC_STRING_SET_FLOAT_64_UL, ECMA_DATAVIEW_PROTOTYPE_SET_FLOAT64, 2, 2)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 ROUTINE (LIT_MAGIC_STRING_SET_INT8_UL, ECMA_DATAVIEW_PROTOTYPE_SET_INT8, 1, 2)
 ROUTINE (LIT_MAGIC_STRING_SET_INT16_UL, ECMA_DATAVIEW_PROTOTYPE_SET_INT16, 2, 2)
 ROUTINE (LIT_MAGIC_STRING_SET_INT32_UL, ECMA_DATAVIEW_PROTOTYPE_SET_INT32, 2, 2)
diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-global.inc.h b/jerry-core/ecma/builtin-objects/ecma-builtin-global.inc.h
index e0b02698f0..622918c4b2 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtin-global.inc.h
+++ b/jerry-core/ecma/builtin-objects/ecma-builtin-global.inc.h
@@ -139,9 +139,7 @@ OBJECT_VALUE (LIT_MAGIC_STRING_UINT32_ARRAY_UL, ECMA_BUILTIN_ID_UINT32ARRAY, ECM
 
 OBJECT_VALUE (LIT_MAGIC_STRING_FLOAT32_ARRAY_UL, ECMA_BUILTIN_ID_FLOAT32ARRAY, ECMA_PROPERTY_CONFIGURABLE_WRITABLE)
 
-#if JERRY_NUMBER_TYPE_FLOAT64
 OBJECT_VALUE (LIT_MAGIC_STRING_FLOAT64_ARRAY_UL, ECMA_BUILTIN_ID_FLOAT64ARRAY, ECMA_PROPERTY_CONFIGURABLE_WRITABLE)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 #if JERRY_BUILTIN_BIGINT
 OBJECT_VALUE (LIT_MAGIC_STRING_BIGINT64_ARRAY_UL, ECMA_BUILTIN_ID_BIGINT64ARRAY, ECMA_PROPERTY_CONFIGURABLE_WRITABLE)
diff --git a/jerry-core/ecma/builtin-objects/ecma-builtins.inc.h b/jerry-core/ecma/builtin-objects/ecma-builtins.inc.h
index 449aef98bd..4a447520d9 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtins.inc.h
+++ b/jerry-core/ecma/builtin-objects/ecma-builtins.inc.h
@@ -384,13 +384,11 @@ BUILTIN_ROUTINE (ECMA_BUILTIN_ID_FLOAT32ARRAY,
                  true,
                  float32array)
 
-#if JERRY_NUMBER_TYPE_FLOAT64
 BUILTIN_ROUTINE (ECMA_BUILTIN_ID_FLOAT64ARRAY,
                  ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION,
                  ECMA_BUILTIN_ID_TYPEDARRAY,
                  true,
                  float64array)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 #if JERRY_BUILTIN_BIGINT
 BUILTIN_ROUTINE (ECMA_BUILTIN_ID_BIGINT64ARRAY,
@@ -454,13 +452,11 @@ BUILTIN (ECMA_BUILTIN_ID_FLOAT32ARRAY_PROTOTYPE,
          true,
          float32array_prototype)
 
-#if JERRY_NUMBER_TYPE_FLOAT64
 BUILTIN (ECMA_BUILTIN_ID_FLOAT64ARRAY_PROTOTYPE,
          ECMA_OBJECT_TYPE_BUILT_IN_GENERAL,
          ECMA_BUILTIN_ID_TYPEDARRAY_PROTOTYPE,
          true,
          float64array_prototype)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 #if JERRY_BUILTIN_BIGINT
 BUILTIN (ECMA_BUILTIN_ID_BIGINT64ARRAY_PROTOTYPE,
diff --git a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.c b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.c
index 205d23a785..ae8d398224 100644
--- a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.c
+++ b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.c
@@ -16,7 +16,6 @@
 #include "ecma-builtins.h"
 
 #if JERRY_BUILTIN_TYPEDARRAY
-#if JERRY_NUMBER_TYPE_FLOAT64
 
 #define ECMA_BUILTINS_INTERNAL
 #include "ecma-builtins-internal.h"
@@ -41,5 +40,4 @@
  * @}
  */
 
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #endif /* JERRY_BUILTIN_TYPEDARRAY */
diff --git a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.inc.h b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.inc.h
index 815be714a1..84c8dd0f16 100644
--- a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.inc.h
+++ b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array-prototype.inc.h
@@ -18,11 +18,9 @@
  */
 
 #if JERRY_BUILTIN_TYPEDARRAY
-#if JERRY_NUMBER_TYPE_FLOAT64
 
 #define TYPEDARRAY_BYTES_PER_ELEMENT 8
 #define TYPEDARRAY_BUILTIN_ID        ECMA_BUILTIN_ID_FLOAT64ARRAY
 #include "ecma-builtin-typedarray-prototype-template.inc.h"
 
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #endif /* JERRY_BUILTIN_TYPEDARRAY */
diff --git a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.c b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.c
index fe3cebb874..b47824b3bf 100644
--- a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.c
+++ b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.c
@@ -23,7 +23,6 @@
 #include "jrt.h"
 
 #if JERRY_BUILTIN_TYPEDARRAY
-#if JERRY_NUMBER_TYPE_FLOAT64
 
 #define ECMA_BUILTINS_INTERNAL
 #include "ecma-builtins-internal.h"
@@ -75,5 +74,4 @@ ecma_builtin_float64array_dispatch_construct (const ecma_value_t *arguments_list
  * @}
  */
 
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #endif /* JERRY_BUILTIN_TYPEDARRAY */
diff --git a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.inc.h b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.inc.h
index ea8bd422b0..e64a1cf08f 100644
--- a/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.inc.h
+++ b/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-float64array.inc.h
@@ -18,12 +18,10 @@
  */
 
 #if JERRY_BUILTIN_TYPEDARRAY
-#if JERRY_NUMBER_TYPE_FLOAT64
 
 #define TYPEDARRAY_BYTES_PER_ELEMENT 8
 #define TYPEDARRAY_MAGIC_STRING_ID   LIT_MAGIC_STRING_FLOAT64_ARRAY_UL
 #define TYPEDARRAY_BUILTIN_ID        ECMA_BUILTIN_ID_FLOAT64ARRAY_PROTOTYPE
 #include "ecma-builtin-typedarray-template.inc.h"
 
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #endif /* JERRY_BUILTIN_TYPEDARRAY */
diff --git a/jerry-core/ecma/operations/ecma-bigint.c b/jerry-core/ecma/operations/ecma-bigint.c
index 7a4464e0c9..fe18524c8e 100644
--- a/jerry-core/ecma/operations/ecma-bigint.c
+++ b/jerry-core/ecma/operations/ecma-bigint.c
@@ -313,18 +313,12 @@ ecma_bigint_number_to_digits (ecma_number_t number, /**< ecma number */
     fraction >>= ECMA_NUMBER_FRACTION_WIDTH - biased_exp;
     digits_p[0] = (ecma_bigint_digit_t) fraction;
 
-#if JERRY_NUMBER_TYPE_FLOAT64
     digits_p[1] = (ecma_bigint_digit_t) (fraction >> (8 * sizeof (ecma_bigint_digit_t)));
     return ECMA_BIGINT_NUMBER_TO_DIGITS_SET_DIGITS (digits_p[1] == 0 ? 1 : 2) | has_fraction;
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-    return ECMA_BIGINT_NUMBER_TO_DIGITS_SET_DIGITS (1) | has_fraction;
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
   }
 
   digits_p[0] = (ecma_bigint_digit_t) fraction;
-#if JERRY_NUMBER_TYPE_FLOAT64
   digits_p[1] = (ecma_bigint_digit_t) (fraction >> (8 * sizeof (ecma_bigint_digit_t)));
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
   biased_exp -= ECMA_NUMBER_FRACTION_WIDTH;
 
@@ -333,27 +327,16 @@ ecma_bigint_number_to_digits (ecma_number_t number, /**< ecma number */
 
   if (shift_left == 0)
   {
-#if JERRY_NUMBER_TYPE_FLOAT64
     return biased_exp | ECMA_BIGINT_NUMBER_TO_DIGITS_SET_DIGITS (2);
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-    return biased_exp | ECMA_BIGINT_NUMBER_TO_DIGITS_SET_DIGITS (1);
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
   }
 
   uint32_t shift_right = (1 << ECMA_BIGINT_DIGIT_SHIFT) - shift_left;
 
-#if JERRY_NUMBER_TYPE_FLOAT64
   digits_p[2] = digits_p[1] >> shift_right;
   digits_p[1] = (digits_p[1] << shift_left) | (digits_p[0] >> shift_right);
   digits_p[0] <<= shift_left;
 
   return biased_exp | ECMA_BIGINT_NUMBER_TO_DIGITS_SET_DIGITS (digits_p[2] == 0 ? 2 : 3);
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-  digits_p[1] = digits_p[0] >> shift_right;
-  digits_p[0] <<= shift_left;
-
-  return biased_exp | ECMA_BIGINT_NUMBER_TO_DIGITS_SET_DIGITS (digits_p[1] == 0 ? 1 : 2);
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 } /* ecma_bigint_number_to_digits */
 
 /**
diff --git a/jerry-core/ecma/operations/ecma-objects.c b/jerry-core/ecma/operations/ecma-objects.c
index 9f993a396d..41b56adcd8 100644
--- a/jerry-core/ecma/operations/ecma-objects.c
+++ b/jerry-core/ecma/operations/ecma-objects.c
@@ -2671,9 +2671,7 @@ ecma_object_check_class_name_is_object (ecma_object_t *obj_p) /**< object */
           || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_UINT32ARRAY_PROTOTYPE)
           || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_FLOAT32ARRAY_PROTOTYPE)
           || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_UINT8CLAMPEDARRAY_PROTOTYPE)
-#if JERRY_NUMBER_TYPE_FLOAT64
           || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_FLOAT64ARRAY_PROTOTYPE)
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
           || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_BIGINT_PROTOTYPE)
           || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_BIGINT64ARRAY_PROTOTYPE)
diff --git a/jerry-core/ecma/operations/ecma-typedarray-object.c b/jerry-core/ecma/operations/ecma-typedarray-object.c
index 40b42bb6cf..f506ac0470 100644
--- a/jerry-core/ecma/operations/ecma-typedarray-object.c
+++ b/jerry-core/ecma/operations/ecma-typedarray-object.c
@@ -431,7 +431,6 @@ ecma_typedarray_set_float_element (lit_utf8_byte_t *dst_p, /**< the location in
   return ECMA_VALUE_TRUE;
 } /* ecma_typedarray_set_float_element */
 
-#if JERRY_NUMBER_TYPE_FLOAT64
 /**
  * Write a double value into the given arraybuffer
  *
@@ -454,7 +453,6 @@ ecma_typedarray_set_double_element (lit_utf8_byte_t *dst_p, /**< the location in
   ECMA_TYPEDARRAY_SET_ELEMENT (dst_p, num, double);
   return ECMA_VALUE_TRUE;
 } /* ecma_typedarray_set_double_element */
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 
 #if JERRY_BUILTIN_BIGINT
 /**
@@ -501,17 +499,12 @@ ecma_typedarray_set_bigint_element (lit_utf8_byte_t *dst_p, /**< the location in
  * Builtin id of the last %TypedArray% builtin routine intrinsic object
  */
 #define ECMA_LAST_TYPEDARRAY_BUILTIN_ROUTINE_ID ECMA_BUILTIN_ID_BIGUINT64ARRAY
-#elif !JERRY_BUILTIN_BIGINT && JERRY_NUMBER_TYPE_FLOAT64
+#elif !JERRY_BUILTIN_BIGINT
 /**
  * Builtin id of the last %TypedArray% builtin routine intrinsic object
  */
 #define ECMA_LAST_TYPEDARRAY_BUILTIN_ROUTINE_ID ECMA_BUILTIN_ID_FLOAT64ARRAY
-#else /* !JERRY_NUMBER_TYPE_FLOAT64 */
-/**
- * Builtin id of the last %TypedArray% builtin routine intrinsic object
- */
-#define ECMA_LAST_TYPEDARRAY_BUILTIN_ROUTINE_ID ECMA_BUILTIN_ID_FLOAT32ARRAY
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
+#endif /* JERRY_BUILTIN_BIGINT */
 
 /**
  * Builtin id of the first %TypedArray% builtin prototype intrinsic object
@@ -530,9 +523,7 @@ static const ecma_typedarray_getter_fn_t ecma_typedarray_getters[] = {
   ecma_typedarray_get_int32_element, /**< Uint32Array */
   ecma_typedarray_get_uint32_element, /**< Uint32Array */
   ecma_typedarray_get_float_element, /**< Float32Array */
-#if JERRY_NUMBER_TYPE_FLOAT64
   ecma_typedarray_get_double_element, /**< Float64Array */
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
   ecma_typedarray_get_bigint64_element, /**< BigInt64Array*/
   ecma_typedarray_get_biguint64_element, /**< BigUint64Array */
@@ -551,9 +542,7 @@ static const ecma_typedarray_setter_fn_t ecma_typedarray_setters[] = {
   ecma_typedarray_set_int32_element, /**< Uint32Array */
   ecma_typedarray_set_uint32_element, /**< Uint32Array */
   ecma_typedarray_set_float_element, /**< Float32Array */
-#if JERRY_NUMBER_TYPE_FLOAT64
   ecma_typedarray_set_double_element, /**< Float64Array */
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
   ecma_typedarray_set_bigint_element, /**< BigInt64Array */
   ecma_typedarray_set_bigint_element, /**< BigUInt64Array */
@@ -572,9 +561,7 @@ static const uint8_t ecma_typedarray_element_shift_sizes[] = {
   2, /**< Int32Array */
   2, /**< Uint32Array */
   2, /**< Float32Array */
-#if JERRY_NUMBER_TYPE_FLOAT64
   3, /**< Float64Array */
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
   3, /**< BigInt64Array */
   3, /**< BigUInt64Array */
@@ -593,9 +580,7 @@ static const uint16_t ecma_typedarray_magic_string_list[] = {
   (uint16_t) LIT_MAGIC_STRING_INT32_ARRAY_UL, /**< Int32Array */
   (uint16_t) LIT_MAGIC_STRING_UINT32_ARRAY_UL, /**< Uint32Array */
   (uint16_t) LIT_MAGIC_STRING_FLOAT32_ARRAY_UL, /**< Float32Array */
-#if JERRY_NUMBER_TYPE_FLOAT64
   (uint16_t) LIT_MAGIC_STRING_FLOAT64_ARRAY_UL, /**< Float64Array */
-#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
 #if JERRY_BUILTIN_BIGINT
   (uint16_t) LIT_MAGIC_STRING_BIGINT64_ARRAY_UL, /**< BigInt64Array */
   (uint16_t) LIT_MAGIC_STRING_BIGUINT64_ARRAY_UL, /**< BigUInt64Array */
diff --git a/jerry-core/lit/lit-magic-strings.inc.h b/jerry-core/lit/lit-magic-strings.inc.h
index d9b3471fbe..c8da20af29 100644
--- a/jerry-core/lit/lit-magic-strings.inc.h
+++ b/jerry-core/lit/lit-magic-strings.inc.h
@@ -607,10 +607,8 @@ LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_COPY_WITHIN, "copyWithin")
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_ENUMERABLE, "enumerable")
 #if JERRY_BUILTIN_DATAVIEW
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_GET_FLOAT_32_UL, "getFloat32")
-#endif /* JERRY_BUILTIN_DATAVIEW */
-#if JERRY_BUILTIN_DATAVIEW && JERRY_NUMBER_TYPE_FLOAT64
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_GET_FLOAT_64_UL, "getFloat64")
-#endif /* JERRY_BUILTIN_DATAVIEW && JERRY_NUMBER_TYPE_FLOAT64 */
+#endif /* JERRY_BUILTIN_DATAVIEW */
 #if JERRY_BUILTIN_DATE
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_GET_MINUTES_UL, "getMinutes")
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_GET_SECONDS_UL, "getSeconds")
@@ -631,10 +629,8 @@ LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_REPLACE_ALL, "replaceAll")
 #endif /* JERRY_BUILTIN_REGEXP && JERRY_BUILTIN_STRING */
 #if JERRY_BUILTIN_DATAVIEW
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_SET_FLOAT_32_UL, "setFloat32")
-#endif /* JERRY_BUILTIN_DATAVIEW */
-#if JERRY_BUILTIN_DATAVIEW && JERRY_NUMBER_TYPE_FLOAT64
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_SET_FLOAT_64_UL, "setFloat64")
-#endif /* JERRY_BUILTIN_DATAVIEW && JERRY_NUMBER_TYPE_FLOAT64 */
+#endif /* JERRY_BUILTIN_DATAVIEW */
 #if JERRY_BUILTIN_DATE
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_SET_MINUTES_UL, "setMinutes")
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_SET_SECONDS_UL, "setSeconds")
@@ -704,10 +700,8 @@ LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_TO_UPPER_CASE_UL, "toUpperCase")
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_UNSCOPABLES, "unscopables")
 #if JERRY_BUILTIN_TYPEDARRAY
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_FLOAT32_ARRAY_UL, "Float32Array")
-#endif /* JERRY_BUILTIN_TYPEDARRAY */
-#if JERRY_BUILTIN_TYPEDARRAY && JERRY_NUMBER_TYPE_FLOAT64
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_FLOAT64_ARRAY_UL, "Float64Array")
-#endif /* JERRY_BUILTIN_TYPEDARRAY && JERRY_NUMBER_TYPE_FLOAT64 */
+#endif /* JERRY_BUILTIN_TYPEDARRAY */
 #if JERRY_BUILTIN_DATE
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_INVALID_DATE_UL, "Invalid Date")
 #endif /* JERRY_BUILTIN_DATE */
@@ -903,8 +897,6 @@ LIT_MAGIC_STRING_FIRST_STRING_WITH_SIZE (10, LIT_MAGIC_STRING_ALLSETTLED)
 LIT_MAGIC_STRING_FIRST_STRING_WITH_SIZE (11, LIT_MAGIC_STRING_SOURCE_NAME_ANON)
 #if JERRY_BUILTIN_TYPEDARRAY
 LIT_MAGIC_STRING_FIRST_STRING_WITH_SIZE (12, LIT_MAGIC_STRING_FLOAT32_ARRAY_UL)
-#elif JERRY_BUILTIN_TYPEDARRAY && JERRY_NUMBER_TYPE_FLOAT64
-LIT_MAGIC_STRING_FIRST_STRING_WITH_SIZE (12, LIT_MAGIC_STRING_FLOAT64_ARRAY_UL)
 #elif JERRY_BUILTIN_DATE
 LIT_MAGIC_STRING_FIRST_STRING_WITH_SIZE (12, LIT_MAGIC_STRING_INVALID_DATE_UL)
 #else /* !(JERRY_BUILTIN_DATE) */