diff --git a/snappy-internal.h b/snappy-internal.h
index f3da93c..0653dc6 100644
--- a/snappy-internal.h
+++ b/snappy-internal.h
@@ -93,7 +93,7 @@
   // the first non-matching bit and use that to calculate the total
   // length of the match.
   while (PREDICT_TRUE(s2 <= s2_limit - 8)) {
-    if (PREDICT_FALSE(UNALIGNED_LOAD64(s2) == UNALIGNED_LOAD64(s1 + matched))) {
+    if (UNALIGNED_LOAD64(s2) == UNALIGNED_LOAD64(s1 + matched)) {
       s2 += 8;
       matched += 8;
     } else {
@@ -108,7 +108,7 @@
     }
   }
   while (PREDICT_TRUE(s2 < s2_limit)) {
-    if (PREDICT_TRUE(s1[matched] == *s2)) {
+    if (s1[matched] == *s2) {
       ++s2;
       ++matched;
     } else {
diff --git a/snappy.cc b/snappy.cc
index c73f56b..971adc2 100644
--- a/snappy.cc
+++ b/snappy.cc
@@ -138,7 +138,7 @@
 const int kMaxIncrementCopyOverflow = 10;
 
 inline void IncrementalCopyFastPath(const char* src, char* op, ssize_t len) {
-  while (op - src < 8) {
+  while (PREDICT_FALSE(op - src < 8)) {
     UnalignedCopy64(src, op);
     len -= op - src;
     op += op - src;
@@ -215,7 +215,7 @@
 
 static inline char* EmitCopy(char* op, size_t offset, int len) {
   // Emit 64 byte copies but make sure to keep at least four bytes reserved
-  while (len >= 68) {
+  while (PREDICT_FALSE(len >= 68)) {
     op = EmitCopyLessThan64(op, offset, 64);
     len -= 64;
   }