diff --git a/lib/dictBuilder/zdict.c b/lib/dictBuilder/zdict.c
index ee21ee1a..4a263d82 100644
--- a/lib/dictBuilder/zdict.c
+++ b/lib/dictBuilder/zdict.c
@@ -571,7 +571,7 @@ static void ZDICT_fillNoise(void* buffer, size_t length)
     unsigned const prime1 = 2654435761U;
     unsigned const prime2 = 2246822519U;
     unsigned acc = prime1;
-    size_t p=0;;
+    size_t p=0;
     for (p=0; p<length; p++) {
         acc *= prime2;
         ((unsigned char*)buffer)[p] = (unsigned char)(acc >> 21);
diff --git a/programs/dibio.c b/programs/dibio.c
index 12eb3268..ea4bb4bf 100644
--- a/programs/dibio.c
+++ b/programs/dibio.c
@@ -201,7 +201,7 @@ static void DiB_fillNoise(void* buffer, size_t length)
     unsigned const prime1 = 2654435761U;
     unsigned const prime2 = 2246822519U;
     unsigned acc = prime1;
-    size_t p=0;;
+    size_t p=0;
 
     for (p=0; p<length; p++) {
         acc *= prime2;
diff --git a/tests/fuzzer.c b/tests/fuzzer.c
index 2de7c009..4788c356 100644
--- a/tests/fuzzer.c
+++ b/tests/fuzzer.c
@@ -401,7 +401,7 @@ static int basicUnitTests(U32 const seed, double compressibility)
     DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++);
     {   size_t u;
         for (u=0; u<CNBuffSize; u++) {
-            if (((BYTE*)decodedBuffer)[u] != ((BYTE*)CNBuffer)[u]) goto _output_error;;
+            if (((BYTE*)decodedBuffer)[u] != ((BYTE*)CNBuffer)[u]) goto _output_error;
     }   }
     DISPLAYLEVEL(3, "OK \n");
 
@@ -758,7 +758,7 @@ static int basicUnitTests(U32 const seed, double compressibility)
             {   size_t u;
                 for (u=0; u<CNBuffSize; u++) {
                     if (((BYTE*)decodedBuffer)[u] != ((BYTE*)CNBuffer)[u])
-                        goto _output_error;;
+                        goto _output_error;
             }   }
             DISPLAYLEVEL(3, "OK \n");
 
@@ -839,7 +839,7 @@ static int basicUnitTests(U32 const seed, double compressibility)
         DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++);
         {   size_t u;
             for (u=0; u<CNBuffSize; u++) {
-                if (((BYTE*)decodedBuffer)[u] != ((BYTE*)CNBuffer)[u]) goto _output_error;;
+                if (((BYTE*)decodedBuffer)[u] != ((BYTE*)CNBuffer)[u]) goto _output_error;
         }   }
         DISPLAYLEVEL(3, "OK \n");
 
diff --git a/tests/zbufftest.c b/tests/zbufftest.c
index 8cbde3f4..94414826 100644
--- a/tests/zbufftest.c
+++ b/tests/zbufftest.c
@@ -184,7 +184,7 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
     DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
     {   size_t i;
         for (i=0; i<CNBufferSize; i++) {
-            if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;;
+            if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;
     }   }
     DISPLAYLEVEL(4, "OK \n");
 
@@ -213,7 +213,7 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
     DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
     {   size_t i;
         for (i=0; i<CNBufferSize; i++) {
-            if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;;
+            if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;
     }   }
     DISPLAYLEVEL(4, "OK \n");
 
diff --git a/tests/zstreamtest.c b/tests/zstreamtest.c
index 97d4e33e..56f16766 100644
--- a/tests/zstreamtest.c
+++ b/tests/zstreamtest.c
@@ -481,7 +481,7 @@ static int basicUnitTests(U32 seed, double compressibility)
     DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++);
     {   size_t i;
         for (i=0; i<CNBufferSize; i++) {
-            if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;;
+            if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;
     }   }
     DISPLAYLEVEL(3, "OK \n");