diff --git a/dlls/crypt32/base64.c b/dlls/crypt32/base64.c
index 9a3079a81f3..a01a7b6459c 100644
--- a/dlls/crypt32/base64.c
+++ b/dlls/crypt32/base64.c
@@ -234,7 +234,6 @@ static BOOL BinaryToBase64A(const BYTE *pbBinary,
             strcpy(ptr, trailer);
             ptr += strlen(ptr);
             strcpy(ptr, sep);
-            ptr += strlen(sep);
         }
         *pcchString = charsNeeded - 1;
     }
@@ -429,7 +428,6 @@ static BOOL BinaryToBase64W(const BYTE *pbBinary,
             strcpyW(ptr, trailer);
             ptr += strlenW(ptr);
             strcpyW(ptr, sep);
-            ptr += strlenW(sep);
         }
         *pcchString = charsNeeded - 1;
     }
diff --git a/dlls/crypt32/chain.c b/dlls/crypt32/chain.c
index 8af49f46af7..4bc2d053b62 100644
--- a/dlls/crypt32/chain.c
+++ b/dlls/crypt32/chain.c
@@ -3302,7 +3302,6 @@ static BOOL match_dns_to_subject_dn(PCCERT_CONTEXT cert, LPCWSTR server_name)
         {
             LPCWSTR ptr = server_name;
 
-            matches = TRUE;
             do {
                 LPCWSTR dot = strchrW(ptr, '.'), end;
                 /* 254 is the maximum DNS label length, see RFC 1035 */
diff --git a/dlls/crypt32/encode.c b/dlls/crypt32/encode.c
index 6b61337c2e4..05a35581f12 100644
--- a/dlls/crypt32/encode.c
+++ b/dlls/crypt32/encode.c
@@ -1841,7 +1841,6 @@ static BOOL WINAPI CRYPT_AsnEncodePolicyQualifierUserNotice(
         CERT_NAME_VALUE displayTextValue;
         DWORD cItem = 0;
 
-        ret = TRUE;
         if (notice->pNoticeReference)
         {
             items[cItem].encodeFunc = CRYPT_AsnEncodeNoticeReference;
diff --git a/dlls/crypt32/object.c b/dlls/crypt32/object.c
index 2587c4d293c..cff96f9c0da 100644
--- a/dlls/crypt32/object.c
+++ b/dlls/crypt32/object.c
@@ -1111,7 +1111,6 @@ static BOOL WINAPI CRYPT_FormatBasicConstraints2(DWORD dwCertEncodingType,
             strcpyW(str, pathLengthHeader);
             str += strlenW(pathLengthHeader);
             strcpyW(str, pathLength);
-            str += strlenW(pathLength);
         }
         LocalFree(info);
     }
@@ -2468,7 +2467,6 @@ static BOOL WINAPI CRYPT_FormatSpcFinancialCriteria(DWORD dwCertEncodingType,
             else
             {
                 strcpyW(str, notAvailable);
-                str += strlenW(notAvailable);
             }
         }
     }