diff --git a/src/cpuinfo/SDL_cpuinfo.c b/src/cpuinfo/SDL_cpuinfo.c
index ff8f35643..5c2d81f8c 100644
--- a/src/cpuinfo/SDL_cpuinfo.c
+++ b/src/cpuinfo/SDL_cpuinfo.c
@@ -161,7 +161,7 @@ static __inline__ int CPU_getCPUIDFeatures(void)
 "        movl    %%edi,%%ebx\n"
 	: "=m" (features)
 	:
-	: "%eax", "%ebx", "%ecx", "%edx", "%edi"
+	: "%eax", "%ecx", "%edx", "%edi"
 	);
 #elif defined(__GNUC__) && defined(__x86_64__)
 	__asm__ (
@@ -230,7 +230,7 @@ static __inline__ int CPU_getCPUIDFeaturesExt(void)
 "        movl    %%edi,%%ebx\n"
 	: "=m" (features)
 	:
-	: "%eax", "%ebx", "%ecx", "%edx", "%edi"
+	: "%eax", "%ecx", "%edx", "%edi"
 	);
 #elif defined(__GNUC__) && defined (__x86_64__)
 	__asm__ (