diff --git a/1987/hines/Makefile b/1987/hines/Makefile
index 4ba2ad5b9..9c3cfa5d1 100644
--- a/1987/hines/Makefile
+++ b/1987/hines/Makefile
@@ -38,7 +38,8 @@ include ../../var.mk
 
 # Common C compiler warnings to silence
 #
-CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-deprecated-non-prototype
+CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-deprecated-non-prototype \
+	  -Wno-implicit-int
 
 # Common C compiler warning flags
 #
@@ -111,8 +112,8 @@ OBJ= ${PROG}.o
 DATA=
 TARGET= ${PROG}
 #
-ALT_OBJ= ${PROG}.alt.o
-ALT_TARGET= ${PROG}.alt
+ALT_OBJ=
+ALT_TARGET=
 
 
 #################
@@ -135,10 +136,6 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
-${PROG}.alt: ${PROG}.alt.c
-	@echo "NOTE: The original source might not compile using modern compilers."
-	${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
-
 # data files
 #
 data: ${DATA}
diff --git a/1987/lievaart/Makefile b/1987/lievaart/Makefile
index 10f15a9d2..467a4f339 100644
--- a/1987/lievaart/Makefile
+++ b/1987/lievaart/Makefile
@@ -114,8 +114,8 @@ OBJ= ${PROG}.o ${PROG}2.o
 DATA=
 TARGET= ${PROG} ${PROG}2
 #
-ALT_OBJ= ${PROG}.alt.o ${PROG}2.alt.o
-ALT_TARGET= ${PROG}.alt ${PROG}2.alt
+ALT_OBJ=
+ALT_TARGET=
 
 
 #################
@@ -141,14 +141,6 @@ ${PROG}2: ${PROG}2.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
-${PROG}.alt: ${PROG}.alt.c
-	@echo "NOTE: The original source might not compile using modern compilers."
-	${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
-
-${PROG}2.alt: ${PROG}2.alt.c
-	@echo "NOTE: The original source might not compile using modern compilers."
-	${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
-
 # data files
 #
 data: ${DATA}
diff --git a/1987/lievaart/README.md b/1987/lievaart/README.md
index 07b1a2080..916cfd554 100644
--- a/1987/lievaart/README.md
+++ b/1987/lievaart/README.md
@@ -4,9 +4,6 @@
 make all
 ```
 
-There is [Alternate code](#alternate-code) available for if you have an old
-enough compiler.
-
 
 ## To use:
 
@@ -26,17 +23,6 @@ To see what it would have looked like without the size restrictions:
 ```
 
 
-## Alternate code:
-
-If you have an old enough compiler you might wish to try using it. To use:
-
-```sh
-make alt
-```
-
-Use `./lievaart.alt` as you would `./lievaart` above.
-
-
 ## Judges' remarks:
 
 We believe that you too will be amazed at just how much power Mr. Lievaart
diff --git a/1987/lievaart/lievaart.alt.c b/1987/lievaart/lievaart.alt.c
deleted file mode 100644
index 0a2473823..000000000
--- a/1987/lievaart/lievaart.alt.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#define D define
-#D Y return
-#D R for
-#D e while
-#D I printf
-#D l int
-#D C y=v+111;H(x,v)*y++= *x
-#D H(a,b)R(a=b+11;a<b+89;a++)
-#D s(a)t=scanf("%d",&a)
-l V[1100],u,r[]={-1,-11,-10,-9,1,11,10,9},h[]={11,18,81,88},ih[]={22,27,72,77},
-bz,lv=60,*x,*y,m,t;S(d,v,f,a,b)l*v;{l c=0,*n=v+100,bw=d<u-1?a:-9000,w,z,i,zb,q=
-3-f;if(d>u){R(w=i=0;i<4;i++)w+=(m=v[h[i]])==f?300:m==q?-300:(t=v[ih[i]])==f?-50
-:t==q?50:0;return w;}H(z,0){if(GZ(v,z,f,100)){c++;w= -S(d+1,n,q,-b,-bw);if(w>bw
-){zb=z;bw=w;if(w>=b||w>=8003)Y w;}}}if(!c){bz=0;C;Y-S(d+1,n,q,-b,-bw);}bz=zb;Y
-d>=u-1?bw+(c<<3):bw;}main(){R(;t<1100;t+=100)R(m=0;m<100;m++)V[t+m]=m<11||m>88
-||(m+1)%10<2?3:0;V[44]=V[55]=1;V[45]=V[54]=2;I("Level:");s(u);e(lv>0){do{I("Yo\
-u:");s(m);}e(!GZ(V,m,2,0)&&m!=99);if(m!=99)lv--;if(lv<15&&u<10)u+=2;I("Wait\n")
-;I("Value:%d\n",S(0,V,1,-9000,9000));I("move: %d\n",(lv-=GZ(V,bz,1,0),bz));}}GZ
-(v,z,f,o)l*v;{l*j,q=3-f,g=0,i,h,*k=v+z;if(*k==0)R(i=7;i>=0;i--){j=k+(h=r[i]);e(
-*j==q)j+=h;if(*j==f&&j-h!=k){if(!g){g=1;C;}e(j!=k)*((j-=h)+o)=f;}}Y g;}
diff --git a/1987/lievaart/lievaart2.alt.c b/1987/lievaart/lievaart2.alt.c
deleted file mode 100644
index 086799bca..000000000
--- a/1987/lievaart/lievaart2.alt.c
+++ /dev/null
@@ -1,25 +0,0 @@
-#define D define
-#D Y return
-#D R for
-#D e while
-#D I printf
-#D l int
-#D W if
-#D C y=v+111;H(x,v)*y++= *x
-#D H(a,b)R(a=b+11;a<b+89;a++)
-#D s(a)t=scanf("%d",&a)
-#D U Z I
-#D Z I("123\
-45678\n");H(x,V){putchar(".XO"[*x]);W((x-V)%10==8){x+=2;I("%d\n",(x-V)/10-1);}}
-l V[1600],u,r[]={-1,-11,-10,-9,1,11,10,9},h[]={11,18,81,88},ih[]={22,27,72,77},
-bz,lv=60,*x,*y,m,t;S(d,v,f,_,a,b)l*v;{l c=0,*n=v+100,j=d<u-1?a:-9000,w,z,i,g,q=
-3-f;W(d>u){R(w=i=0;i<4;i++)w+=(m=v[h[i]])==f?300:m==q?-300:(t=v[ih[i]])==f?-50:
-t==q?50:0;Y w;}H(z,0){W(E(v,z,f,100)){c++;w= -S(d+1,n,q,0,-b,-j);W(w>j){g=bz=z;
-j=w;W(w>=b||w>=8003)Y w;}}}W(!c){g=0;W(_){H(x,v)c+= *x==f?1:*x==3-f?-1:0;Y c>0?
-8000+c:c-8000;}C;j= -S(d+1,n,q,1,-b,-j);}bz=g;Y d>=u-1?j+(c<<3):j;}main(){R(;t<
-1600;t+=100)R(m=0;m<100;m++)V[t+m]=m<11||m>88||(m+1)%10<2?3:0;I("Level:");V[44]
-=V[55]=1;V[45]=V[54]=2;s(u);e(lv>0){Z do{I("You:");s(m);}e(!E(V,m,2,0)&&m!=99);
-W(m!=99)lv--;W(lv<15&&u<10)u+=2;U("Wait\n");I("Value:%d\n",S(0,V,1,0,-9000,9000
-));I("move: %d\n",(lv-=E(V,bz,1,0),bz));}}E(v,z,f,o)l*v;{l*j,q=3-f,g=0,i,w,*k=v
-+z;W(*k==0)R(i=7;i>=0;i--){j=k+(w=r[i]);e(*j==q)j+=w;W(*j==f&&j-w!=k){W(!g){g=1
-;C;}e(j!=k)*((j-=w)+o)=f;}}Y g;}
diff --git a/1987/westley/Makefile b/1987/westley/Makefile
index d6b663dc2..dae3318f0 100644
--- a/1987/westley/Makefile
+++ b/1987/westley/Makefile
@@ -114,8 +114,8 @@ OBJ= ${PROG}.o
 DATA=
 TARGET= ${PROG}
 #
-ALT_OBJ= ${PROG}.alt.o
-ALT_TARGET= ${PROG}.alt
+ALT_OBJ=
+ALT_TARGET=
 
 
 #################
@@ -138,9 +138,6 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
-
 # data files
 #
 data: ${DATA}
diff --git a/1987/westley/README.md b/1987/westley/README.md
index 95ef214e6..4f74ecf67 100644
--- a/1987/westley/README.md
+++ b/1987/westley/README.md
@@ -12,18 +12,6 @@ make all
 ```
 
 
-## Alternate code:
-
-If you have an older compiler you can try compiling the original source code
-which is true symmetry:
-
-```sh
-make alt
-```
-
-Use `westley.alt` as you would `westley` above.
-
-
 ## Judges' remarks:
 
 `putchar()` must exist in the C library and not just as a macro.
diff --git a/1987/westley/westley.alt.c b/1987/westley/westley.alt.c
deleted file mode 100644
index 57500810d..000000000
--- a/1987/westley/westley.alt.c
+++ /dev/null
@@ -1,48 +0,0 @@
-				char rahc
-				   [ ]
-				    =
-				  "\n/"
-				    ,
-				redivider
-				   [ ]
-				    =
-		       "Able was I ere I saw elbA"
-				    ,
-				    *
-			     deliver,reviled
-				    =
-				   1+1
-				    ,
-			       niam ; main
-				   ( )
-				  {/*\}
-				   \*/
-				 int tni
-				    =
-				   0x0
-				    ,
-			     rahctup,putchar
-				   ( )
-		           ,LACEDx0 = 0xDECAL,
-				rof ; for
-			     (;(int) (tni);)
-			       (int) (tni)
-			  = reviled ; deliver =
-				redivider
-				    ;
-for ((int)(tni)++,++reviled;reviled* *deliver;deliver++,++(int)(tni)) rof
-			            =
-			     (int) -1- (tni)
-		          ;reviled--;--deliver;
-			     (tni)  =  (int)
-			  - 0xDECAL + LACEDx0 -
-				rof ; for
-       (reviled--,(int)--(tni);(int) (tni);(int)--(tni),--deliver)
-			    rahctup = putchar
-			   (reviled* *deliver)
-				    ;
-			    rahctup * putchar
-			    ((char) * (rahc))
-				    ;
-				   /*\
-				  {\*/}