diff --git a/src/filters/2xSaI.cpp b/src/filters/2xSaI.cpp
index 016ff37a..b58196e8 100644
--- a/src/filters/2xSaI.cpp
+++ b/src/filters/2xSaI.cpp
@@ -616,47 +616,3 @@ void _2xSaI32 (u8 *srcPtr, u32 srcPitch,
     dstPtr += dstPitch << 1;
   }                   // endof: for (height; height; height--)
 }
-
-static u32 Bilinear (u32 A, u32 B, u32 x)
-{
-  unsigned long areaA, areaB;
-  unsigned long result;
-
-  if (A == B)
-    return A;
-
-  areaB = (x >> 11) & 0x1f;     // reduce 16 bit fraction to 5 bits
-  areaA = 0x20 - areaB;
-
-  A = (A & redblueMask) | ((A & greenMask) << 16);
-  B = (B & redblueMask) | ((B & greenMask) << 16);
-
-  result = ((areaA * A) + (areaB * B)) >> 5;
-
-  return (result & redblueMask) | ((result >> 16) & greenMask);
-}
-
-static u32 Bilinear4 (u32 A, u32 B, u32 C, u32 D, u32 x,
-                         u32 y)
-{
-  unsigned long areaA, areaB, areaC, areaD;
-  unsigned long result, xy;
-
-  x = (x >> 11) & 0x1f;
-  y = (y >> 11) & 0x1f;
-  xy = (x * y) >> 5;
-
-  A = (A & redblueMask) | ((A & greenMask) << 16);
-  B = (B & redblueMask) | ((B & greenMask) << 16);
-  C = (C & redblueMask) | ((C & greenMask) << 16);
-  D = (D & redblueMask) | ((D & greenMask) << 16);
-
-  areaA = 0x20 + xy - x - y;
-  areaB = x - xy;
-  areaC = y - xy;
-  areaD = xy;
-
-  result = ((areaA * A) + (areaB * B) + (areaC * C) + (areaD * D)) >> 5;
-
-  return (result & redblueMask) | ((result >> 16) & greenMask);
-}
diff --git a/src/filters/bilinear.cpp b/src/filters/bilinear.cpp
index 5d2de512..00fa2597 100644
--- a/src/filters/bilinear.cpp
+++ b/src/filters/bilinear.cpp
@@ -212,4 +212,3 @@ void BilinearPlus32(u8 *srcPtr, u32 srcPitch,
     to_odd = (u32 *)((u8 *)to + dstPitch);
   }
 }
-