diff --git a/src/dsp/dec_mips32.c b/src/dsp/dec_mips32.c
index 80afeb29..d00b8f34 100644
--- a/src/dsp/dec_mips32.c
+++ b/src/dsp/dec_mips32.c
@@ -20,8 +20,8 @@ static const int kC1 = 20091 + (1 << 16);
 static const int kC2 = 35468;
 
 static WEBP_INLINE int abs_mips32(int x) {
-   const int sign = x >> 31;
-   return (x ^ sign) - sign;
+  const int sign = x >> 31;
+  return (x ^ sign) - sign;
 }
 
 // clips [-1020, 1020] to [-128, 127]
@@ -440,7 +440,6 @@ static void HFilter16iMIPS32(uint8_t* p, int stride,
   }
 }
 
-
 //------------------------------------------------------------------------------
 // Simple In-loop filtering (Paragraph 15.2)
 
diff --git a/src/dsp/upsampling_mips32.c b/src/dsp/upsampling_mips32.c
index 8ea35a3f..a07fdfca 100644
--- a/src/dsp/upsampling_mips32.c
+++ b/src/dsp/upsampling_mips32.c
@@ -16,8 +16,6 @@
 
 #if defined(WEBP_USE_MIPS32)
 
-#include <assert.h>
-#include <string.h>
 #include "./yuv.h"
 
 //------------------------------------------------------------------------------
@@ -116,9 +114,9 @@ SAMPLE_FUNC_MIPS(SampleBgraLinePairMIPS,     4, 2, 1, 0, 3)
 
 void WebPInitSamplersMIPS32(void) {
 #if defined(WEBP_USE_MIPS32)
-    WebPSamplers[MODE_RGB]  = SampleRgbLinePairMIPS;
-    WebPSamplers[MODE_RGBA] = SampleRgbaLinePairMIPS;
-    WebPSamplers[MODE_BGR]  = SampleBgrLinePairMIPS;
-    WebPSamplers[MODE_BGRA] = SampleBgraLinePairMIPS;
+  WebPSamplers[MODE_RGB]  = SampleRgbLinePairMIPS;
+  WebPSamplers[MODE_RGBA] = SampleRgbaLinePairMIPS;
+  WebPSamplers[MODE_BGR]  = SampleBgrLinePairMIPS;
+  WebPSamplers[MODE_BGRA] = SampleBgraLinePairMIPS;
 #endif  // WEBP_USE_MIPS32
 }
diff --git a/src/utils/rescaler.c b/src/utils/rescaler.c
index 1da2f0ff..f5b52881 100644
--- a/src/utils/rescaler.c
+++ b/src/utils/rescaler.c
@@ -51,7 +51,7 @@ void WebPRescalerImportRow(WebPRescaler* const wrk,
                            const uint8_t* const src, int channel) {
   const int x_stride = wrk->num_channels;
   const int x_out_max = wrk->dst_width * wrk->num_channels;
-#if !defined (__mips__)
+#if !defined(__mips__)
   int x_in = channel;
   int x_out;
   int accum = 0;
@@ -89,7 +89,7 @@ void WebPRescalerImportRow(WebPRescaler* const wrk,
   for (x_out = channel; x_out < x_out_max; x_out += x_stride) {
     wrk->irow[x_out] += wrk->frow[x_out];
   }
-#else
+#else  // __mips__
   const int fx_scale = wrk->fx_scale;
   const int x_add = wrk->x_add;
   const int x_sub = wrk->x_sub;
@@ -181,7 +181,7 @@ void WebPRescalerImportRow(WebPRescaler* const wrk,
       : "memory", "hi", "lo"
     );
   }
-#endif  // (__mips__)
+#endif  // !__mips__
 }
 
 uint8_t* WebPRescalerExportRow(WebPRescaler* const wrk) {