diff --git a/core/tremor/codebook.c b/core/tremor/codebook.c
index 341e1e3..96a8e6f 100644
--- a/core/tremor/codebook.c
+++ b/core/tremor/codebook.c
@@ -15,9 +15,7 @@
 
  ********************************************************************/
 
-#ifndef __MINGW32__
 #include <alloca.h>
-#endif
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
diff --git a/core/tremor/floor0.c b/core/tremor/floor0.c
index 2c44529..d4b35b8 100644
--- a/core/tremor/floor0.c
+++ b/core/tremor/floor0.c
@@ -15,9 +15,7 @@
 
  ********************************************************************/
 
-#ifndef __MINGW32__
 #include <alloca.h>
-#endif
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
diff --git a/core/tremor/info.c b/core/tremor/info.c
index 09fa67e..d5375f0 100644
--- a/core/tremor/info.c
+++ b/core/tremor/info.c
@@ -18,9 +18,7 @@
 /* general handling of the header and the vorbis_info structure (and
    substructures) */
 
-#ifndef __MINGW32__
 #include <alloca.h>
-#endif
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
diff --git a/core/tremor/mapping0.c b/core/tremor/mapping0.c
index 236c7c9..09a43a3 100644
--- a/core/tremor/mapping0.c
+++ b/core/tremor/mapping0.c
@@ -15,9 +15,7 @@
 
  ********************************************************************/
 
-#ifndef __MINGW32__
 #include <alloca.h>
-#endif
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/core/tremor/res012.c b/core/tremor/res012.c
index bdb2eb3..b569a75 100644
--- a/core/tremor/res012.c
+++ b/core/tremor/res012.c
@@ -15,9 +15,7 @@
 
  ********************************************************************/
 
-#ifndef __MINGW32__
 #include <alloca.h>
-#endif
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
diff --git a/core/tremor/sharedbook.c b/core/tremor/sharedbook.c
index 39d535d..287c4ce 100644
--- a/core/tremor/sharedbook.c
+++ b/core/tremor/sharedbook.c
@@ -15,9 +15,7 @@
 
  ********************************************************************/
 
-#ifndef __MINGW32__
 #include <alloca.h>
-#endif
 #include <stdlib.h>
 #include <math.h>
 #include <string.h>