diff --git a/dlls/inetcomm/Makefile.in b/dlls/inetcomm/Makefile.in
index 690e302b6e8..198ef0b28ce 100644
--- a/dlls/inetcomm/Makefile.in
+++ b/dlls/inetcomm/Makefile.in
@@ -2,6 +2,8 @@ MODULE    = inetcomm.dll
 IMPORTLIB = inetcomm
 IMPORTS   = uuid urlmon propsys oleaut32 ole32 ws2_32 user32 advapi32
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	imaptransport.c \
 	inetcomm_main.c \
diff --git a/dlls/inetcomm/mimeintl.c b/dlls/inetcomm/mimeintl.c
index 07d3ae5f038..ec7d34028eb 100644
--- a/dlls/inetcomm/mimeintl.c
+++ b/dlls/inetcomm/mimeintl.c
@@ -34,7 +34,6 @@
 #include "mlang.h"
 
 #include "wine/list.h"
-#include "wine/unicode.h"
 #include "wine/debug.h"
 
 #include "inetcomm_private.h"
@@ -415,7 +414,7 @@ static HRESULT WINAPI MimeInternat_ConvertString(IMimeInternational *iface, CODE
         break;
     case VT_LPWSTR:
         cpiSource = CP_UNICODE;
-        src_len = strlenW(pIn->u.pwszVal) * sizeof(WCHAR);
+        src_len = lstrlenW(pIn->u.pwszVal) * sizeof(WCHAR);
         break;
     default:
         return E_INVALIDARG;
diff --git a/dlls/inetcomm/mimeole.c b/dlls/inetcomm/mimeole.c
index bb0f9bd9ae9..2c481ab0d5f 100644
--- a/dlls/inetcomm/mimeole.c
+++ b/dlls/inetcomm/mimeole.c
@@ -37,7 +37,6 @@
 #include "wine/heap.h"
 #include "wine/list.h"
 #include "wine/debug.h"
-#include "wine/unicode.h"
 
 #include "inetcomm_private.h"
 
@@ -3713,13 +3712,13 @@ HRESULT WINAPI MimeOleObjectFromMoniker(BINDF bindf, IMoniker *moniker, IBindCtx
 
     TRACE("display name %s\n", debugstr_w(display_name));
 
-    len = strlenW(display_name);
+    len = lstrlenW(display_name);
     mhtml_url = heap_alloc((len+1)*sizeof(WCHAR) + sizeof(mhtml_prefixW));
     if(!mhtml_url)
         return E_OUTOFMEMORY;
 
     memcpy(mhtml_url, mhtml_prefixW, sizeof(mhtml_prefixW));
-    strcpyW(mhtml_url + ARRAY_SIZE(mhtml_prefixW), display_name);
+    lstrcpyW(mhtml_url + ARRAY_SIZE(mhtml_prefixW), display_name);
     HeapFree(GetProcessHeap(), 0, display_name);
 
     hres = CreateURLMoniker(NULL, mhtml_url, moniker_new);
diff --git a/dlls/inetcomm/protocol.c b/dlls/inetcomm/protocol.c
index c6a59fee7c3..e50e5a625c3 100644
--- a/dlls/inetcomm/protocol.c
+++ b/dlls/inetcomm/protocol.c
@@ -26,7 +26,6 @@
 
 #include "wine/debug.h"
 #include "wine/heap.h"
-#include "wine/unicode.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(inetcomm);
 
@@ -70,7 +69,7 @@ static inline LPWSTR heap_strdupW(LPCWSTR str)
     if(str) {
         DWORD size;
 
-        size = (strlenW(str)+1)*sizeof(WCHAR);
+        size = (lstrlenW(str)+1)*sizeof(WCHAR);
         ret = heap_alloc(size);
         if(ret)
             memcpy(ret, str, size);
@@ -83,20 +82,20 @@ static HRESULT parse_mhtml_url(const WCHAR *url, mhtml_url_t *r)
 {
     const WCHAR *p;
 
-    if(strncmpiW(url, mhtml_prefixW, ARRAY_SIZE(mhtml_prefixW)))
+    if(wcsnicmp(url, mhtml_prefixW, ARRAY_SIZE(mhtml_prefixW)))
         return E_FAIL;
 
     r->mhtml = url + ARRAY_SIZE(mhtml_prefixW);
-    p = strchrW(r->mhtml, '!');
+    p = wcschr(r->mhtml, '!');
     if(p) {
         r->mhtml_len = p - r->mhtml;
         /* FIXME: We handle '!' and '!x-usc:' in URLs as the same thing. Those should not be the same. */
-        if(!strncmpW(p, mhtml_separatorW, ARRAY_SIZE(mhtml_separatorW)))
+        if(!wcsncmp(p, mhtml_separatorW, ARRAY_SIZE(mhtml_separatorW)))
             p += ARRAY_SIZE(mhtml_separatorW);
         else
             p++;
     }else {
-        r->mhtml_len = strlenW(r->mhtml);
+        r->mhtml_len = lstrlenW(r->mhtml);
     }
 
     r->location = p;
@@ -142,7 +141,7 @@ static HRESULT on_mime_message_available(MimeHtmlProtocol *protocol, IMimeMessag
             if(FAILED(hres))
                 return report_result(protocol, hres);
 
-            found = !strcmpW(protocol->location, value.u.pwszVal);
+            found = !lstrcmpW(protocol->location, value.u.pwszVal);
             PropVariantClear(&value);
         }while(!found);
     }else {
@@ -670,14 +669,14 @@ static HRESULT WINAPI MimeHtmlProtocolInfo_CombineUrl(IInternetProtocolInfo *ifa
     if(FAILED(hres))
         return hres;
 
-    if(!strncmpiW(pwzRelativeUrl, mhtml_prefixW, ARRAY_SIZE(mhtml_prefixW))) {
+    if(!wcsnicmp(pwzRelativeUrl, mhtml_prefixW, ARRAY_SIZE(mhtml_prefixW))) {
         FIXME("Relative URL is mhtml protocol\n");
         return INET_E_USE_DEFAULT_PROTOCOLHANDLER;
     }
 
     len += url.mhtml_len;
     if(*pwzRelativeUrl)
-        len += strlenW(pwzRelativeUrl) + ARRAY_SIZE(mhtml_separatorW);
+        len += lstrlenW(pwzRelativeUrl) + ARRAY_SIZE(mhtml_separatorW);
     if(len >= cchResult) {
         *pcchResult = 0;
         return E_FAIL;
@@ -690,7 +689,7 @@ static HRESULT WINAPI MimeHtmlProtocolInfo_CombineUrl(IInternetProtocolInfo *ifa
     if(*pwzRelativeUrl) {
         memcpy(p, mhtml_separatorW, sizeof(mhtml_separatorW));
         p += ARRAY_SIZE(mhtml_separatorW);
-        strcpyW(p, pwzRelativeUrl);
+        lstrcpyW(p, pwzRelativeUrl);
     }else {
         *p = 0;
     }