diff --git a/tools/winebuild/build.h b/tools/winebuild/build.h
index 50559e7c98c..af7861275a3 100644
--- a/tools/winebuild/build.h
+++ b/tools/winebuild/build.h
@@ -392,8 +392,6 @@ extern struct strarray nm_command;
 extern char *cpu_option;
 extern char *fpu_option;
 extern char *arch_option;
-extern const char *float_abi_option;
-extern int thumb_mode;
 extern int needs_get_pc_thunk;
 
 #endif  /* __WINE_BUILD_H */
diff --git a/tools/winebuild/main.c b/tools/winebuild/main.c
index e9cbf58d84f..71e61522578 100644
--- a/tools/winebuild/main.c
+++ b/tools/winebuild/main.c
@@ -69,17 +69,6 @@ struct strarray nm_command = { 0 };
 char *cpu_option = NULL;
 char *fpu_option = NULL;
 char *arch_option = NULL;
-#ifdef __SOFTFP__
-const char *float_abi_option = "soft";
-#else
-const char *float_abi_option = "softfp";
-#endif
-
-#ifdef __thumb__
-int thumb_mode = 1;
-#else
-int thumb_mode = 0;
-#endif
 
 static struct strarray res_files;
 
@@ -164,7 +153,6 @@ static void set_target( const char *name )
     target_alias = xstrdup( name );
 
     if (!parse_target( name, &target )) fatal_error( "Unrecognized target '%s'\n", name );
-    thumb_mode = target.cpu == CPU_ARM && is_pe();
     if (is_pe()) unwind_tables = 1;
 }
 
@@ -396,14 +384,11 @@ static void option_callback( int optc, char *optarg )
         if (!strcmp( optarg, "16" )) main_spec->type = SPEC_WIN16;
         else if (!strcmp( optarg, "32" )) force_pointer_size = 4;
         else if (!strcmp( optarg, "64" )) force_pointer_size = 8;
-        else if (!strcmp( optarg, "arm" )) thumb_mode = 0;
-        else if (!strcmp( optarg, "thumb" )) thumb_mode = 1;
         else if (!strcmp( optarg, "no-cygwin" )) use_msvcrt = 1;
         else if (!strcmp( optarg, "unicode" )) main_spec->unicode_app = 1;
         else if (!strncmp( optarg, "cpu=", 4 )) cpu_option = xstrdup( optarg + 4 );
         else if (!strncmp( optarg, "fpu=", 4 )) fpu_option = xstrdup( optarg + 4 );
         else if (!strncmp( optarg, "arch=", 5 )) arch_option = xstrdup( optarg + 5 );
-        else if (!strncmp( optarg, "float-abi=", 10 )) float_abi_option = xstrdup( optarg + 10 );
         else fatal_error( "Unknown -m option '%s'\n", optarg );
         break;
     case 'M':
diff --git a/tools/winebuild/winebuild.man.in b/tools/winebuild/winebuild.man.in
index 23ef3495744..ac8900187f4 100644
--- a/tools/winebuild/winebuild.man.in
+++ b/tools/winebuild/winebuild.man.in
@@ -179,7 +179,7 @@ option.
 .B \-m16, -m32, -m64
 Generate respectively 16-bit, 32-bit or 64-bit code.
 .TP
-.BI \-marm,\ \-mthumb,\ \-march= option ,\ \-mcpu= option ,\ \-mfpu= option ,\ \-mfloat-abi= option
+.BI \-march= option ,\ \-mcpu= option ,\ \-mfpu= option
 Set code generation options for the assembler.
 .TP
 .B \-mno-cygwin