diff --git a/dlls/usp10/opentype.c b/dlls/usp10/opentype.c
index 3bbf5ec5a23..6d6a25e2b2d 100644
--- a/dlls/usp10/opentype.c
+++ b/dlls/usp10/opentype.c
@@ -2472,7 +2472,7 @@ static void GSUB_initialize_script_cache(ScriptCache *psc)
         TRACE("initializing %i scripts in this font\n",psc->script_count);
         if (psc->script_count)
         {
-            psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
+            psc->scripts = heap_alloc_zero(psc->script_count * sizeof(*psc->scripts));
             for (i = 0; i < psc->script_count; i++)
             {
                 int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
@@ -2504,7 +2504,7 @@ static void GPOS_expand_script_cache(ScriptCache *psc)
         TRACE("initializing %i scripts in this font\n",psc->script_count);
         if (psc->script_count)
         {
-            psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
+            psc->scripts = heap_alloc_zero(psc->script_count * sizeof(*psc->scripts));
             for (i = 0; i < psc->script_count; i++)
             {
                 int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
@@ -2602,7 +2602,7 @@ static void GSUB_initialize_language_cache(LoadedScript *script)
         {
             TRACE("Deflang %p, LangCount %i\n",script->default_language.gsub_table, script->language_count);
 
-            script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
+            script->languages = heap_alloc_zero(script->language_count * sizeof(*script->languages));
 
             for (i = 0; i < script->language_count; i++)
             {
@@ -2639,7 +2639,7 @@ static void GPOS_expand_language_cache(LoadedScript *script)
         int i;
         script->language_count = count;
 
-        script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
+        script->languages = heap_alloc_zero(script->language_count * sizeof(*script->languages));
 
         for (i = 0; i < script->language_count; i++)
         {
diff --git a/dlls/usp10/usp10.c b/dlls/usp10/usp10.c
index 8a8a62f82b8..a1be308dbfa 100644
--- a/dlls/usp10/usp10.c
+++ b/dlls/usp10/usp10.c
@@ -708,21 +708,6 @@ typedef struct {
     WORD target;
 } FindGlyph_struct;
 
-static inline void* __WINE_ALLOC_SIZE(1) heap_alloc(size_t size)
-{
-    return HeapAlloc(GetProcessHeap(), 0, size);
-}
-
-static inline void* __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t size)
-{
-    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
-}
-
-static inline BOOL heap_free(void *mem)
-{
-    return HeapFree(GetProcessHeap(), 0, mem);
-}
-
 /* TODO Fix font properties on Arabic locale */
 static inline BOOL set_cache_font_properties(const HDC hdc, ScriptCache *sc)
 {
diff --git a/dlls/usp10/usp10_internal.h b/dlls/usp10/usp10_internal.h
index 989620d0c76..fa9b6c2bead 100644
--- a/dlls/usp10/usp10_internal.h
+++ b/dlls/usp10/usp10_internal.h
@@ -212,6 +212,21 @@ typedef struct {
 
 enum {lex_Halant, lex_Composed_Vowel, lex_Matra_post, lex_Matra_pre, lex_Matra_above, lex_Matra_below, lex_ZWJ, lex_ZWNJ, lex_NBSP, lex_Modifier, lex_Vowel, lex_Consonant, lex_Generic, lex_Ra, lex_Vedic, lex_Anudatta, lex_Nukta};
 
+static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t size)
+{
+    return HeapAlloc(GetProcessHeap(), 0, size);
+}
+
+static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t size)
+{
+    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
+}
+
+static inline BOOL heap_free(void *mem)
+{
+    return HeapFree(GetProcessHeap(), 0, mem);
+}
+
 static inline BOOL is_consonant( int type )
 {
     return (type == lex_Ra || type == lex_Consonant);