diff --git a/src/nano.c b/src/nano.c
index 0e41c371..436a6262 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -1565,7 +1565,7 @@ void do_input(void)
 			/* Insert all bytes in the input buffer into the edit buffer
 			 * at once, filtering out any ASCII control codes. */
 			puddle[depth] = '\0';
-			inject(puddle, depth, TRUE);
+			inject(puddle, depth);
 
 			/* Empty the input buffer. */
 			free(puddle);
@@ -1656,7 +1656,7 @@ void do_input(void)
 
 /* The user typed output_len multibyte characters.  Add them to the edit
  * buffer, filtering out ASCII control characters when filtering is TRUE. */
-void inject(char *output, size_t output_len, bool filtering)
+void inject(char *output, size_t output_len)
 {
 	char onechar[MAXCHARLEN];
 	int charlen;
@@ -1682,10 +1682,6 @@ void inject(char *output, size_t output_len, bool filtering)
 
 		i += charlen;
 
-		/* If controls are not allowed, ignore an ASCII control character. */
-		if (filtering && is_ascii_cntrl_char(*(output + i - charlen)))
-			continue;
-
 		/* Make room for the new character and copy it into the line. */
 		openfile->current->data = charealloc(openfile->current->data,
 										current_len + charlen + 1);
diff --git a/src/prompt.c b/src/prompt.c
index ad6f5220..f872038e 100644
--- a/src/prompt.c
+++ b/src/prompt.c
@@ -115,7 +115,7 @@ int do_statusbar_input(bool *finished)
 	if ((shortcut || get_key_buffer_len() == 0) && kbinput != NULL) {
 		/* Inject all characters in the input buffer at once, filtering out
 		 * control characters. */
-		inject_into_answer(kbinput, kbinput_len, TRUE);
+		inject_into_answer(kbinput, kbinput_len);
 
 		/* Empty the input buffer. */
 		kbinput_len = 0;
@@ -185,7 +185,7 @@ int do_statusbar_input(bool *finished)
 
 /* The user typed input_len multibyte characters.  Add them to the answer,
  * filtering out ASCII control characters if filtering is TRUE. */
-void inject_into_answer(int *the_input, size_t input_len, bool filtering)
+void inject_into_answer(int *the_input, size_t input_len)
 {
 	char *output = charalloc(input_len + 1);
 	char onechar[MAXCHARLEN];
@@ -206,10 +206,6 @@ void inject_into_answer(int *the_input, size_t input_len, bool filtering)
 
 		j += charlen;
 
-		/* When filtering, skip any ASCII control character. */
-		if (filtering && is_ascii_cntrl_char(*(output + j - charlen)))
-			continue;
-
 		/* Insert the typed character into the existing answer string. */
 		answer = charealloc(answer, strlen(answer) + charlen + 1);
 		memmove(answer + typing_x + charlen, answer + typing_x,
@@ -339,7 +335,7 @@ void do_statusbar_verbatim_input(void)
 
 	kbinput = get_verbatim_kbinput(bottomwin, &kbinput_len);
 
-	inject_into_answer(kbinput, kbinput_len, FALSE);
+	inject_into_answer(kbinput, kbinput_len);
 
 	free(kbinput);
 }
diff --git a/src/proto.h b/src/proto.h
index 243d400d..30449d27 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -444,10 +444,10 @@ void confirm_margin(void);
 #endif
 void unbound_key(int code);
 bool okay_for_view(const keystruct *shortcut);
-void inject(char *output, size_t output_len, bool filtering);
+void inject(char *output, size_t output_len);
 
 /* Most functions in prompt.c. */
-void inject_into_answer(int *the_input, size_t input_len, bool filtering);
+void inject_into_answer(int *the_input, size_t input_len);
 void do_statusbar_home(void);
 void do_statusbar_end(void);
 void do_statusbar_left(void);
diff --git a/src/text.c b/src/text.c
index 5f0519fe..54e95ade 100644
--- a/src/text.c
+++ b/src/text.c
@@ -69,7 +69,7 @@ void do_tab(void)
 {
 #ifdef ENABLE_COLOR
 	if (openfile->syntax && openfile->syntax->tab)
-		inject(openfile->syntax->tab, strlen(openfile->syntax->tab), FALSE);
+		inject(openfile->syntax->tab, strlen(openfile->syntax->tab));
 	else
 #endif
 #ifndef NANO_TINY
@@ -80,12 +80,12 @@ void do_tab(void)
 		memset(spaces, ' ', length);
 		spaces[length] = '\0';
 
-		inject(spaces, length, FALSE);
+		inject(spaces, length);
 
 		free(spaces);
 	} else
 #endif
-		inject((char *)"\t", 1, FALSE);
+		inject((char *)"\t", 1);
 }
 
 #ifndef NANO_TINY
@@ -3156,7 +3156,7 @@ void do_verbatim_input(void)
 	keycodes[count] = '\0';
 
 	/* Insert the keystroke verbatim, without filtering control characters. */
-	inject(keycodes, count, FALSE);
+	inject(keycodes, count);
 
 	free(keycodes);
 	free(kbinput);
@@ -3303,8 +3303,8 @@ void complete_a_word(void)
 			UNSET(BREAK_LONG_LINES);
 #endif
 			/* Inject the completion into the buffer. */
-			inject(&completion[shard_length],
-						strlen(completion) - shard_length, TRUE);
+			inject(&completion[shard_length], strlen(completion) - shard_length);
+
 #ifdef ENABLE_WRAPPING
 			/* If needed, reenable wrapping and wrap the current line. */
 			if (was_set_wrapping) {