diff --git a/runtime/src/main/cpp/Operator.cpp b/runtime/src/main/cpp/Operator.cpp
index 9f2db476b1e..5d051712f20 100644
--- a/runtime/src/main/cpp/Operator.cpp
+++ b/runtime/src/main/cpp/Operator.cpp
@@ -110,11 +110,6 @@ ALWAYS_INLINE KByte   Kotlin_Byte_dec              (KByte a           ) { return
 ALWAYS_INLINE KInt    Kotlin_Byte_unaryPlus        (KByte a           ) { return  +a; }
 ALWAYS_INLINE KInt    Kotlin_Byte_unaryMinus       (KByte a           ) { return  -a; }
 
-ALWAYS_INLINE KByte  Kotlin_Byte_or_Byte           (KByte a, KByte   b) { return a | b; }
-ALWAYS_INLINE KByte  Kotlin_Byte_xor_Byte          (KByte a, KByte   b) { return a ^ b; }
-ALWAYS_INLINE KByte  Kotlin_Byte_and_Byte          (KByte a, KByte   b) { return a & b; }
-ALWAYS_INLINE KByte  Kotlin_Byte_inv               (KByte a           ) { return  ~a;   }
-
 ALWAYS_INLINE KByte   Kotlin_Byte_toByte           (KByte a           ) { return a; }
 ALWAYS_INLINE KChar   Kotlin_Byte_toChar           (KByte a           ) { return a; }
 ALWAYS_INLINE KShort  Kotlin_Byte_toShort          (KByte a           ) { return a; }
@@ -172,11 +167,6 @@ ALWAYS_INLINE KShort  Kotlin_Short_dec              (KShort a           ) { retu
 ALWAYS_INLINE KInt    Kotlin_Short_unaryPlus        (KShort a           ) { return  +a; }
 ALWAYS_INLINE KInt    Kotlin_Short_unaryMinus       (KShort a           ) { return  -a; }
 
-ALWAYS_INLINE KShort  Kotlin_Short_or_Short         (KShort a, KShort  b) { return a | b; }
-ALWAYS_INLINE KShort  Kotlin_Short_xor_Short        (KShort a, KShort  b) { return a ^ b; }
-ALWAYS_INLINE KShort  Kotlin_Short_and_Short        (KShort a, KShort  b) { return a & b; }
-ALWAYS_INLINE KShort  Kotlin_Short_inv              (KShort a           ) { return  ~a;   }
-
 ALWAYS_INLINE KByte   Kotlin_Short_toByte           (KShort a           ) { return a; }
 ALWAYS_INLINE KChar   Kotlin_Short_toChar           (KShort a           ) { return a; }
 ALWAYS_INLINE KShort  Kotlin_Short_toShort          (KShort a           ) { return a; }
diff --git a/runtime/src/main/kotlin/kotlin/Arrays.kt b/runtime/src/main/kotlin/kotlin/Arrays.kt
index c253cb13a4c..f3b0fdabca0 100644
--- a/runtime/src/main/kotlin/kotlin/Arrays.kt
+++ b/runtime/src/main/kotlin/kotlin/Arrays.kt
@@ -429,6 +429,13 @@ private class BooleanIteratorImpl(val collection: BooleanArray) : BooleanIterato
     }
 }
 
+/**
+ * Returns an array of objects of the given type with the given [size], initialized with null values.
+ */
+public inline fun <reified @PureReifiable T> arrayOfNulls(size: Int): Array<T?> =
+        @Suppress("NON_PUBLIC_CALL_FROM_PUBLIC_INLINE")
+        arrayOfUninitializedElements<T?>(size)
+
 /**
  * Returns an array containing the specified elements.
  */
diff --git a/runtime/src/main/kotlin/kotlin/Primitives.kt b/runtime/src/main/kotlin/kotlin/Primitives.kt
index 361779688af..ae311cb22f2 100644
--- a/runtime/src/main/kotlin/kotlin/Primitives.kt
+++ b/runtime/src/main/kotlin/kotlin/Primitives.kt
@@ -186,19 +186,6 @@ public final class Byte : Number(), Comparable<Byte> {
     @SymbolName("Kotlin_Byte_unaryMinus")
     external public operator fun unaryMinus(): Int
 
-    /** Performs a bitwise AND operation between the two values. */
-    @SymbolName("Kotlin_Byte_and_Byte")
-    external public infix fun and(other: Byte): Byte
-    /** Performs a bitwise OR operation between the two values. */
-    @SymbolName("Kotlin_Byte_or_Byte")
-    external public infix fun or(other: Byte): Byte
-    /** Performs a bitwise XOR operation between the two values. */
-    @SymbolName("Kotlin_Byte_xor_Byte")
-    external public infix fun xor(other: Byte): Byte
-    /** Inverts the bits in this value/ */
-    @SymbolName("Kotlin_Byte_inv")
-    external public fun inv(): Byte
-
     @SymbolName("Kotlin_Byte_toByte")
     external public override fun toByte(): Byte
     @SymbolName("Kotlin_Byte_toChar")
@@ -413,19 +400,6 @@ public final class Short : Number(), Comparable<Short> {
     @SymbolName("Kotlin_Short_unaryMinus")
     external public operator fun unaryMinus(): Int
 
-    /** Performs a bitwise AND operation between the two values. */
-    @SymbolName("Kotlin_Short_and_Short")
-    external public infix fun and(other: Short): Short
-    /** Performs a bitwise OR operation between the two values. */
-    @SymbolName("Kotlin_Short_or_Short")
-    external public infix fun or(other: Short): Short
-    /** Performs a bitwise XOR operation between the two values. */
-    @SymbolName("Kotlin_Short_xor_Short")
-    external public infix fun xor(other: Short): Short
-    /** Inverts the bits in this value/ */
-    @SymbolName("Kotlin_Short_inv")
-    external public fun inv(): Short
-
     /** Creates a range from this value to the specified [other] value. */
     public operator fun rangeTo(other: Byte): IntRange {
         return IntRange(this.toInt(), other.toInt())
diff --git a/runtime/src/main/kotlin/kotlin/collections/Arrays.kt b/runtime/src/main/kotlin/kotlin/collections/Arrays.kt
index 61a3b2904f7..430ad8884ce 100644
--- a/runtime/src/main/kotlin/kotlin/collections/Arrays.kt
+++ b/runtime/src/main/kotlin/kotlin/collections/Arrays.kt
@@ -1016,14 +1016,6 @@ public actual fun CharArray.contentHashCode(): Int {
     return result
 }
 
-// From Library.kt.
-/**
- * Returns an array of objects of the given type with the given [size], initialized with null values.
- */
-public inline fun <reified @PureReifiable T> arrayOfNulls(size: Int): Array<T?> =
-        @Suppress("NON_PUBLIC_CALL_FROM_PUBLIC_INLINE")
-        arrayOfUninitializedElements<T?>(size)
-
 // From JS collections.kt.
 internal actual fun <T> arrayOfNulls(reference: Array<T>, size: Int): Array<T> {
     return arrayOfNulls<Any>(size) as Array<T>