diff --git a/libpixelflinger/rotate90CW_4x4_16v6.S b/libpixelflinger/rotate90CW_4x4_16v6.S
deleted file mode 100644
index 78d13c3..0000000
--- a/libpixelflinger/rotate90CW_4x4_16v6.S
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-
-    .text
-    .balign 4
-    
-    .global rotate90CW_4x4_16v6
-
-// Rotates 90deg CW a 4x4 block of 16bpp pixels using ARMv6
-// src and dst must be 4 pixels-aligned (2-pixels aligned might
-// actually work)
-//
-// The code below is complicated by ARM's little endianness. 
-
-rotate90CW_4x4_16v6:
-    // r0 = dst
-    // r1 = src
-    // r2 = dst stride in pixels
-    // r3 = src stride in pixels
-
-    stmfd   sp!, {r4,r5, r6,r7, r8,r9, r10,r11, lr}
-    add     r14, r3, r3
-    add     r12, r2, r2
-
-    ldrd    r2, r3, [r1], r14
-    ldrd    r4, r5, [r1], r14
-    ldrd    r6, r7, [r1], r14
-    ldrd    r8, r9, [r1]
-
-    pkhbt   r10, r8, r6, lsl #16
-    pkhbt   r11, r4, r2, lsl #16
-    strd    r10, r11, [r0], r12  
-
-    pkhtb   r10, r6, r8, asr #16
-    pkhtb   r11, r2, r4, asr #16
-
-    strd    r10, r11, [r0], r12  
-    pkhbt   r10, r9, r7, lsl #16
-    pkhbt   r11, r5, r3, lsl #16
-
-    strd    r10, r11, [r0], r12  
-
-    pkhtb   r10, r7, r9, asr #16
-    pkhtb   r11, r3, r5, asr #16
-    strd    r10, r11, [r0]
-
-    ldmfd   sp!, {r4,r5, r6,r7, r8,r9, r10,r11, pc}