diff --git a/app/base/cpu-accel.c b/app/base/cpu-accel.c
index 80afef813e..5c24dc32b3 100644
--- a/app/base/cpu-accel.c
+++ b/app/base/cpu-accel.c
@@ -194,10 +194,6 @@ cpu_accel (void)
   return accel;
 
 #else /* !ARCH_X86 && !ARCH_PPC/ENABLE_ALTIVEC */
-#ifdef HAVE_MLIB
-  return CPU_ACCEL_MLIB;
-#else
   return 0;
 #endif
-#endif /* !ARCH_X86 && !ARCH_PPC/ENABLE_ALTIVEC */
 }
diff --git a/app/base/cpu-accel.h b/app/base/cpu-accel.h
index 924bc6ef3b..3f9305c31c 100644
--- a/app/base/cpu-accel.h
+++ b/app/base/cpu-accel.h
@@ -27,9 +27,6 @@
 #define __CPU_ACCEL_H__
 
 
-/* generic accelerations */
-#define CPU_ACCEL_MLIB           0x00000001
-
 /* x86 accelerations */
 #define CPU_ACCEL_X86_MMX        0x80000000
 #define CPU_ACCEL_X86_3DNOW      0x40000000
diff --git a/libgimpbase/gimpcpuaccel.c b/libgimpbase/gimpcpuaccel.c
index 80afef813e..5c24dc32b3 100644
--- a/libgimpbase/gimpcpuaccel.c
+++ b/libgimpbase/gimpcpuaccel.c
@@ -194,10 +194,6 @@ cpu_accel (void)
   return accel;
 
 #else /* !ARCH_X86 && !ARCH_PPC/ENABLE_ALTIVEC */
-#ifdef HAVE_MLIB
-  return CPU_ACCEL_MLIB;
-#else
   return 0;
 #endif
-#endif /* !ARCH_X86 && !ARCH_PPC/ENABLE_ALTIVEC */
 }
diff --git a/libgimpbase/gimpcpuaccel.h b/libgimpbase/gimpcpuaccel.h
index 924bc6ef3b..3f9305c31c 100644
--- a/libgimpbase/gimpcpuaccel.h
+++ b/libgimpbase/gimpcpuaccel.h
@@ -27,9 +27,6 @@
 #define __CPU_ACCEL_H__
 
 
-/* generic accelerations */
-#define CPU_ACCEL_MLIB           0x00000001
-
 /* x86 accelerations */
 #define CPU_ACCEL_X86_MMX        0x80000000
 #define CPU_ACCEL_X86_3DNOW      0x40000000