diff --git a/Mac/mwerks/mwerks_carbon_config.h b/Mac/mwerks/mwerks_carbon_config.h
index fe18963512f..8f22320cc56 100644
--- a/Mac/mwerks/mwerks_carbon_config.h
+++ b/Mac/mwerks/mwerks_carbon_config.h
@@ -7,7 +7,6 @@
 #define ACCESSOR_CALLS_ARE_FUNCTIONS 1
 #define OPAQUE_TOOLBOX_STRUCTS 1
 #define TARGET_API_MAC_CARBON 1
-#define TARGET_API_MAC_CARBON_NOTYET 1 /* Things we should do eventually, but not now */
 
 #define USE_ARGV0_CHDIR		/* Workaround for OSXDP4: change dir to argv[0] dir */
 #define USE_GUSI2		/* Stdio implemented with GUSI 2 */
@@ -34,10 +33,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 #define WITHOUT_FRAMEWORKS /* Use old-style Universal Header includes, not Carbon/Carbon.h */
 
 #ifdef USE_MSL
diff --git a/Mac/mwerks/mwerks_carbonplugin_config.h b/Mac/mwerks/mwerks_carbonplugin_config.h
index 0d2fc7c89a2..de94aa8f3b4 100644
--- a/Mac/mwerks/mwerks_carbonplugin_config.h
+++ b/Mac/mwerks/mwerks_carbonplugin_config.h
@@ -4,7 +4,6 @@
 #define ACCESSOR_CALLS_ARE_FUNCTIONS 1
 #define OPAQUE_TOOLBOX_STRUCTS 1
 #define TARGET_API_MAC_CARBON 1
-#define TARGET_API_MAC_CARBON_NOTYET 1 /* Things we should do eventually, but not now */
 #define WITHOUT_FRAMEWORKS /* Use old-style Universal Header includes, not Carbon/Carbon.h */
 #define USE_TOOLBOX_OBJECT_GLUE	/* Use glue routines for accessing PyArg_Parse/Py_BuildValue helpers */
 
diff --git a/Mac/mwerks/mwerks_nonshared_config.h b/Mac/mwerks/mwerks_nonshared_config.h
index abf205ffc6f..fd4f09322a7 100644
--- a/Mac/mwerks/mwerks_nonshared_config.h
+++ b/Mac/mwerks/mwerks_nonshared_config.h
@@ -30,10 +30,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 #define WITHOUT_FRAMEWORKS /* Use old-style Universal Header includes, not Carbon/Carbon.h */
 
 #ifdef USE_MSL
diff --git a/Mac/mwerks/mwerks_nscarbon_config.h b/Mac/mwerks/mwerks_nscarbon_config.h
index fa6d3eaa5e8..de3af4531c0 100644
--- a/Mac/mwerks/mwerks_nscarbon_config.h
+++ b/Mac/mwerks/mwerks_nscarbon_config.h
@@ -7,7 +7,6 @@
 #define ACCESSOR_CALLS_ARE_FUNCTIONS 1
 #define OPAQUE_TOOLBOX_STRUCTS 1
 #define TARGET_API_MAC_CARBON 1
-#define TARGET_API_MAC_CARBON_NOTYET 1 /* Things we should do eventually, but not now */
 
 #define USE_ARGV0_CHDIR		/* Workaround for OSXDP4: change dir to argv[0] dir */
 #define USE_GUSI2		/* Stdio implemented with GUSI 2 */
@@ -35,10 +34,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 #define WITHOUT_FRAMEWORKS /* Use old-style Universal Header includes, not Carbon/Carbon.h */
 
 #ifdef USE_MSL
diff --git a/Mac/mwerks/mwerks_shared_config.h b/Mac/mwerks/mwerks_shared_config.h
index db5dffc86eb..279ea128ec9 100644
--- a/Mac/mwerks/mwerks_shared_config.h
+++ b/Mac/mwerks/mwerks_shared_config.h
@@ -33,10 +33,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 
 #ifdef USE_MSL
 #define MSL_USE_PRECOMPILED_HEADERS 0	/* Don't use precomp headers: we include our own */
diff --git a/Mac/mwerks/mwerks_shcarbon_config.h b/Mac/mwerks/mwerks_shcarbon_config.h
index 24e6129009c..bf7fbe687e3 100644
--- a/Mac/mwerks/mwerks_shcarbon_config.h
+++ b/Mac/mwerks/mwerks_shcarbon_config.h
@@ -8,7 +8,6 @@
 #define ACCESSOR_CALLS_ARE_FUNCTIONS 1
 #define OPAQUE_TOOLBOX_STRUCTS 1
 #define TARGET_API_MAC_CARBON 1
-#define TARGET_API_MAC_CARBON_NOTYET 1 /* Things we should do eventually, but not now */
 
 #define USE_ARGV0_CHDIR		/* Workaround for OSXDP4: change dir to argv[0] dir */
 #define USE_GUSI2		/* Stdio implemented with GUSI 2 */
@@ -38,10 +37,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 
 #ifdef USE_MSL
 #define MSL_USE_PRECOMPILED_HEADERS 0	/* Don't use precomp headers: we include our own */
diff --git a/Mac/mwerks/mwerks_small_config.h b/Mac/mwerks/mwerks_small_config.h
index 573aba52f46..cdd8d8624dc 100644
--- a/Mac/mwerks/mwerks_small_config.h
+++ b/Mac/mwerks/mwerks_small_config.h
@@ -29,10 +29,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 
 #ifdef USE_MSL
 #define MSL_USE_PRECOMPILED_HEADERS 0	/* Don't use precomp headers: we include our own */
diff --git a/Mac/mwerks/mwerks_thrcarbonsm_config.h b/Mac/mwerks/mwerks_thrcarbonsm_config.h
index 6ea97e47c89..05fda979332 100644
--- a/Mac/mwerks/mwerks_thrcarbonsm_config.h
+++ b/Mac/mwerks/mwerks_thrcarbonsm_config.h
@@ -7,7 +7,6 @@
 #define ACCESSOR_CALLS_ARE_FUNCTIONS 1
 #define OPAQUE_TOOLBOX_STRUCTS 1
 #define TARGET_API_MAC_CARBON 1
-#define TARGET_API_MAC_CARBON_NOTYET 1 /* Things we should do eventually, but not now */
 
 #define USE_ARGV0_CHDIR		/* Workaround for OSXDP4: change dir to argv[0] dir */
 #define USE_GUSI2		/* Stdio implemented with GUSI 2 */
@@ -36,10 +35,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 
 #ifdef USE_MSL
 #define MSL_USE_PRECOMPILED_HEADERS 0	/* Don't use precomp headers: we include our own */
diff --git a/Mac/mwerks/mwerks_threadsmall_config.h b/Mac/mwerks/mwerks_threadsmall_config.h
index f4199efc379..0a64cad14f9 100644
--- a/Mac/mwerks/mwerks_threadsmall_config.h
+++ b/Mac/mwerks/mwerks_threadsmall_config.h
@@ -30,10 +30,8 @@
 #define USE_MSL_MALLOC	/* Disable private malloc. Also disables next two defines */
 #ifndef USE_MSL_MALLOC
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
-#ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
-#endif
 
 #ifdef USE_MSL
 #define MSL_USE_PRECOMPILED_HEADERS 0	/* Don't use precomp headers: we include our own */