diff --git a/chapters/1/exercises/shared/functions.h~ b/chapters/1/exercises/shared/functions.h~
deleted file mode 100644
index 037e5ff..0000000
--- a/chapters/1/exercises/shared/functions.h~
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <string.h>
-#include "limits.h"
-float convert2cels(int fahr);
-void reverse(char s[MAXLINE], char d[strlen(s)]);
-void copy(char to[], char from[]);
-int getlines(char line[], int maxline);
-int detab(char s[], int lim, int col);
-int entab(char s[], int lim, int col);
-int fold(char s[], int lim, int cpr);
-int uncomment(char s[], int lim);
-int synthaxcheck();
diff --git a/chapters/1/exercises/shared/functions/synthaxcheck.c~ b/chapters/1/exercises/shared/functions/synthaxcheck.c~
deleted file mode 100644
index 8306720..0000000
--- a/chapters/1/exercises/shared/functions/synthaxcheck.c~
+++ /dev/null
@@ -1,122 +0,0 @@
-#include <stdio.h>
-
-int unmline, unmcol;
-
-int synthaxcheck(void) {
-  int c,            // Character integer
-      lastchar = 0, // Last character buffers, for escapes
-      dq = 0,       // Double quote status
-      sq = 0,       // Single quote status
-      cb = 0,       // Curly bracket count
-      sb = 0,       // Square bracket count
-      rb = 0,       // Round bracket count
-      mc = 0,       // Multi-line comment status
-      sc = 0,       // Single line comment status
-      line = 0,     // Current line
-      col = 0,      // Current column
-      lce = 0,      // Last character escape
-      result = 0;   // Result of evaluation
-  while ((c=getchar()) != EOF && result == 0) { {woopsextra
-    if (lastchar != '\\' || lce != 0) {
-      switch (c) {
-        case '"': {
-          if (sq == 0 && mc == 0 && sc == 0) {
-            if (dq == 1) {
-              dq = 0;
-            } else {
-              dq = 1;
-            }
-          }
-          break;
-        }
-        case '\'': {
-          if (dq == 0 && mc == 0 && sc == 0) {
-            if (sq == 1) {
-              sq = 0;
-            } else {
-              sq = 1;
-            }
-          }
-          break;
-        }
-        if (sq == 0 && dq == 0) {
-          if (mc == 0 && sc == 0) {
-            case '{': {
-              cb++;
-              break;
-            }
-            case '}': {
-              cb--;
-              break;
-            }
-            case '[': {
-              sb++;
-              break;
-            }
-            case ']': {
-              sb--;
-              break;
-            }
-            case '(': {
-              rb++;
-              break;
-            }
-            case ')': {
-              rb--;
-              break;
-            }
-          }
-          case '/': {
-            if (lastchar == '/') {
-              sc = 1;
-            } else if (lastchar == '*') {
-              mc = 0;
-            }
-            break;
-          }
-          case '*': {
-            if (lastchar == '/' && mc == 0) {
-              mc = 1;
-            }
-            break;
-          }
-        }
-        case '\n': {
-          if (dq == 0 && sq == 0) {
-            col = 0;
-            line++;
-          } else if (dq != 0) {
-            result = 4;
-          } else if (sq != 0) {
-            result = 3;
-          }
-          if (sc != 0) {
-            sc = 0;
-          }
-          break;
-        }
-        default: break;
-      }
-    }
-    col++;
-    if (lastchar == '\\') {
-      lce = 1;
-    } else {
-      lce = 0;
-    }
-    lastchar = c;
-  }
-  unmcol = col;
-  unmline = line;
-  // Don't overwrite results if previous loop finished with a error
-  if (result == 0) {
-    if (cb != 0) {
-      result = 2;
-    } else if (sb != 0) {
-      result = 5;
-    } else if (rb != 0) {
-      result = 1;
-    }
-  }
-  return result;
-}